Space & Astronomy

243 papers · Page 2 of 3

Dark energy might actually leave a 'hair' on black holes, proving the force expanding the universe sticks to the heaviest stuff in it.

Cosmic Scale arxiv | Mar 26

Quantum gravity might actually peel the 'skin' off a black hole, leaving its infinite-density core totally exposed to the universe.

Paradigm Challenge arxiv | Mar 26

When a star 'eats' gas from its neighbor, it stays bloated and puffy for millions of years afterward.

Nature Is Weird arxiv | Mar 26

Some distant black holes are flickering so fast that light doesn't even have time to travel across them.

Cosmic Scale arxiv | Mar 26

Just 60 days after a star explodes, it's already starting to cook up the ingredients needed to build new planets.

First Ever arxiv | Mar 26

The James Webb Telescope just found the specific star clusters that act as 'factories' for medium-sized black holes.

Cosmic Scale arxiv | Mar 26

Astronomers found hot steam around a massive, scorching star where it’s way too hot for water molecules to even exist.

Nature Is Weird arxiv | Mar 25

Black holes might have 'hair' that lets them feel and remember how the entire universe is expanding.

Nature Is Weird arxiv | Mar 25

When two dead stars smash into each other, they can trigger a massive helium explosion that blasts out a ghost-like flood of particles.

Cosmic Scale arxiv | Mar 25

We just found 200 black holes that are way too fat—they weigh 100 times more than they should compared to the galaxies they live in.

Paradigm Challenge arxiv | Mar 25

The oldest light we can see suggests the entire universe is actually lopsided and tilting toward one specific corner of the sky.

Paradigm Challenge arxiv | Mar 25

We just caught two black holes merging in a messy, wobbling orbit, proving they aren't always the perfect, tidy pairs we expected.

Nature Is Weird arxiv | Mar 25

Alien 'ocean worlds' probably deal with the same gross stuff we do—like massive bacterial blooms and viral outbreaks in their seas.

Nature Is Weird arxiv | Mar 25

Those weird signals from space might just be tiny black holes spontaneously flipping inside out into 'white holes' and blowing up.

Cosmic Scale arxiv | Mar 25

The cracks on the surface of Saturn's moon Enceladus are basically a map of the giant, secret ocean hidden miles beneath the ice.

Cosmic Scale arxiv | Mar 25

Scientists used earthquake sensors to track a meteor as it zipped across the Alaskan sky in broad daylight.

Practical Magic arxiv | Mar 25

Giant planets use their magnetic fields like giant vacuum cleaners to keep their moons from ever growing rings.

Nature Is Weird arxiv | Mar 25

Bad news: the odds of our galaxy smashing into Andromeda just jumped back up to 90%.

Cosmic Scale arxiv | Mar 25

Astronomers finally figured out why this one super bright star you can see with your naked eye is blasting out high-energy X-rays.

Nature Is Weird arxiv | Mar 25

The 'dust' between stars that we use to measure distance might actually be an optical illusion caused by how light bounces around.

Paradigm Challenge arxiv | Mar 25

Scientists are hunting for massive ripples in space by watching for tiny, synchronized 'wobbles' in thousands of distant galaxies.

Cosmic Scale arxiv | Mar 25

The faint 'ghost light' from lost, orphaned stars is actually a perfect map for the invisible blobs of dark matter holding the universe together.

Cosmic Scale arxiv | Mar 25

We just found a complex building block of life surviving inside the 'delivery rooms' of massive stars, where it's way too hot for anything to last.

Nature Is Weird arxiv | Mar 25

We just spotted the third comet ever to visit our solar system from another star.

Cosmic Scale arxiv | Mar 25

Dark energy might not be some mysterious force; it could just be a byproduct of gravity pulling the very first galaxies together.

Paradigm Challenge arxiv | Mar 25

Almost all the 'missing' dark matter in the universe could just be ancient black holes hiding in massive, invisible clusters.

Cosmic Scale arxiv | Mar 25

Some huge space objects might not have an 'event horizon' and could actually push stuff away instead of sucking it in.

Cosmic Scale arxiv | Mar 24

Astronomers might be mistaking 'naked' singularities for black holes because they look almost identical to our telescopes.

Paradigm Challenge arxiv | Mar 24

The James Webb telescope probably just spotted the very first stars ever made, born purely from Big Bang gas.

First Ever arxiv | Mar 24

A weird kind of 'atomic' dark matter might be acting like a gravitational shield for tiny galaxies.

Nature Is Weird arxiv | Mar 24

We found mysterious flashes in old sky photos taken years before the first satellite ever launched.

Nature Is Weird arxiv | Mar 24

We found an object from another solar system that’s chemically nothing like anything we’ve ever seen in our own backyard.

Cosmic Scale arxiv | Mar 24

A single mystery object in space was caught firing off 17,000 massive radio bursts in just one year.

Cosmic Scale arxiv | Mar 24

There's a massive, invisible shockwave screaming through the edge of our galaxy at over 1.5 million miles per hour.

Cosmic Scale arxiv | Mar 24

Starlight is literally crushing gas clouds into brand new stars inside the Pillars of Creation.

Cosmic Scale arxiv | Mar 24

New evidence suggests Earth didn't actually form from 'space pebbles' like we've all been told.

Paradigm Challenge arxiv | Mar 24

A dead star in our own galaxy was caught spitting out the same mystery radio bursts we usually see from deep space.

Nature Is Weird arxiv | Mar 24

Astronomers found another 'Odd Radio Circle'—it's a massive mystery ring of energy millions of light-years wide.

Cosmic Scale arxiv | Mar 24

Those 'Little Red Dots' in the early universe might be monster 'quasi-stars' powered by black holes on the inside.

Nature Is Weird arxiv | Mar 24

The moons of Jupiter and Uranus are likely 'replacements' because the first ones were destroyed when the planets moved.

Cosmic Scale arxiv | Mar 24

We’ve been underestimating the volcanic power of Jupiter’s moon Io by about ten times.

Nature Is Weird arxiv | Mar 24

Astronomers caught a 'sonogram' of a giant planet that’s still growing inside its mother star’s dust cloud.

First Ever arxiv | Mar 24

Friction from dark matter got so hot in the early universe that it actually stopped the very first stars from being born.

Cosmic Scale arxiv | Mar 23

That planet we thought we found around a bright star? Total ghost story. The world's best space telescope just proved it doesn't exist.

Nature Is Weird arxiv | Mar 23

Astronomers found two dead stars orbiting each other so fast that a whole 'year' goes by in just 27 minutes.

Nature Is Weird arxiv | Mar 23

That 'alien' signal we found on a distant water-world might just be a boring cloud of gas we misidentified.

Paradigm Challenge arxiv | Mar 23

When planets smash into each other, they don't splash like liquid—they crunch together like giant, solid rocks.

Paradigm Challenge arxiv | Mar 23

There might be a hidden 'dark dimension' about the width of a hair that's actually driving the expansion of the universe.

Paradigm Challenge arxiv | Mar 23

We're using black hole collisions as giant, cosmic laboratories to figure out how nuclear reactions work inside stars.

Cosmic Scale arxiv | Mar 23

Astronomers found a giant ring of dust spinning around two stars in the completely wrong direction.

Nature Is Weird arxiv | Mar 23

We can now sniff out forests on other planets even if they’re hidden behind a thick blanket of clouds.

Practical Magic arxiv | Mar 23

We just got a front-row seat to a black hole shredding and eating a star, and it's the second closest one we've ever seen.

Cosmic Scale arxiv | Mar 23

Those galaxies orbiting the Milky Way are all lined up in a weird, flat way because of a massive ancient crash.

Cosmic Scale arxiv | Mar 23

We found a wild star in deep space that acts like it has a double engine, blasting radio signals from two different spots at once.

Nature Is Weird arxiv | Mar 20

Venus might be hiding an entire Earth's worth of ocean water deep under its surface.

Nature Is Weird arxiv | Mar 20

We might owe our lives to massive solar storms from the baby Sun that warmed up Earth just enough for life to kick off.

Nature Is Weird arxiv | Mar 20

Astronomers found a 'hell world' so fast that its entire year is over by the time you finish a work shift.

Nature Is Weird arxiv | Mar 20

Massive space blasts might be acting like 'pesticides' that stop aliens from ever evolving in the center of the galaxy.

Cosmic Scale arxiv | Mar 20

A giant space explosion just hinted that if you zoom in far enough, space itself might look like foam or pixels.

Paradigm Challenge arxiv | Mar 20

New theory: black holes aren't just hoarding chaos; they're actually the things creating it for the rest of the universe.

Paradigm Challenge arxiv | Mar 20

Astronomers spotted a rare galactic three-way where three galaxies are literally eating each other at the same time.

Cosmic Scale arxiv | Mar 20

Planets near dying stars can suck up the star's energy until they glow so bright we can see them all on their own.

Cosmic Scale arxiv | Mar 20

The Milky Way has a weird 'edge' where no new stars are born, and the ones that are there just get older the further you walk.

Cosmic Scale arxiv | Mar 20

The ingredients for life are everywhere in space, so finding them isn't the reason we haven't met aliens yet.

Nature Is Weird arxiv | Mar 20

A baby galaxy was so ridiculously hot it blasted a 650,000 light-year hole right through the fog of the early universe.

Cosmic Scale arxiv | Mar 20

Those 'signs of life' everyone’s talking about on that famous planet? Yeah, it might just be some boring sulfur smog.

Paradigm Challenge arxiv | Mar 20

A space explosion just left a glow so bright it basically tells our current physics textbooks to take a hike.

Paradigm Challenge arxiv | Mar 20

Neptune is tilted at a weird angle because its moon Triton basically grabbed it like a handle and slowly tipped it over.

Nature Is Weird arxiv | Mar 20

Those weird blobs at the center of the galaxy might actually be 'zombie stars' being eaten from the inside out by tiny black holes.

Cosmic Scale arxiv | Mar 20

The Milky Way's oldest stars are survivors—they’ve made it through billions of years of crashes without losing their original 'blueprint.'

Cosmic Scale arxiv | Mar 20

We’ve figured out how to turn a passing comet into an interstellar spaceship using just four small engines.

Practical Magic arxiv | Mar 19

Math just proved the inner edge of a spinning black hole is a wall of infinite gravity that basically ends the universe.

Paradigm Challenge arxiv | Mar 19

There are 'imposter' stars out there that cast shadows that look exactly like black holes.

Paradigm Challenge arxiv | Mar 19

Scientists just caught a space collision involving an 'impossible' object that's lighter than the Sun.

First Ever arxiv | Mar 19

Astronomers saw a star 'sipping' on a nearby planet through a massive cosmic straw.

Nature Is Weird arxiv | Mar 19

The closest star that's about to go supernova is actually way nearer to us than we thought.

Cosmic Scale arxiv | Mar 19

A comet exploded in 2007 and briefly created a dust cloud that was actually bigger than the Sun.

Cosmic Scale arxiv | Mar 19

Huge stars are born from chaotic turbulence, not magnetic fields like we’ve believed for years.

Paradigm Challenge arxiv | Mar 19

Almost all the guesswork in the Solar System's total weight comes from one single, invisible spot in space.

Cosmic Scale arxiv | Mar 19

Newton’s gravity laws might be totally wrong at every level, from tiny labs to entire galaxies.

Paradigm Challenge arxiv | Mar 19

Energy loss can actually kick a particle away from a black hole instead of letting it fall in.

Cosmic Scale arxiv | Mar 19

Most of Earth's gold and platinum should have sunk to the core, so our theories on why it’s on the surface are a mess.

Paradigm Challenge arxiv | Mar 19

The James Webb telescope found 'monster' black holes in tiny galaxies that are 60 times bigger than expected.

Cosmic Scale arxiv | Mar 19

Scientists calculated a weird type of star that can spin even faster than a black hole's speed limit.

Nature Is Weird arxiv | Mar 19

The way light spins actually changes how it curves around a black hole, making those famous "Einstein Rings" look slightly lopsided.

Paradigm Challenge arxiv | Mar 18

A third object from another star system just flew into our neighborhood, and it’s basically propelling itself like a natural rocket.

First Ever arxiv | Mar 18

Tiny black holes left over from the Big Bang might be blowing up right now, briefly glitching the laws of physics.

Cosmic Scale arxiv | Mar 18

The Webb telescope just found "virgin" galaxies made of the exact same stuff that existed right after the Big Bang.

First Ever arxiv | Mar 18

Some massive stars are such overachievers they explode twice because their centers turn into a weird "quark soup."

Nature Is Weird arxiv | Mar 18

We found another "ghost" galaxy with zero dark matter, proving these cosmic oddballs aren't just a fluke.

Nature Is Weird arxiv | Mar 18

A star just blew up inside a massive, 70,000-light-year-wide ring left over from two galaxies smashing into each other.

Cosmic Scale arxiv | Mar 18

The Parker Solar Probe just found massive electric fields in the Sun’s atmosphere that are kicking the solar wind into overdrive.

First Ever arxiv | Mar 18

Turns out rocky planets aren't just "leftovers" from their suns—they have their own totally unique chemical recipes.

Paradigm Challenge arxiv | Mar 18

Dark energy might not be spread out evenly; it could be bunching up into giant, invisible clouds.

Nature Is Weird arxiv | Mar 18

Physicists found a math loophole that could let us see right into the heart of a black hole.

Paradigm Challenge arxiv | Mar 18

Scientists are literally hunting for tiny black holes that might be hiding right here in our own solar system.

Cosmic Scale arxiv | Mar 18

Most of the "exploding stars" we use to measure the universe are actually blowing up inside the ghostly shells of dead stars.

Paradigm Challenge arxiv | Mar 18

A nearby black hole is secretly 100 times more powerful than we thought, solving a massive energy mystery in our galaxy.

Cosmic Scale arxiv | Mar 18

Astronomers finally spotted a galaxy powered by the very first stars ever born—ones we thought were just a myth until now.

First Ever arxiv | Mar 17

The 'stickiness' inside colliding stars might be a literal window into a hidden phase change that happened right after the Big Bang.

Nature Is Weird arxiv | Mar 17