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The universe's water is billions of years older than scientists thought — and may be nearly as old as the Big Bang itself
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Saucer-like 'Winnebago' space capsule lands in Australia — marking 1st for commercial space industry
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Space photo of the week: James Webb telescope shocks scientists with image of ancient galaxy roaring back to life
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Rare colorful lightning caught on camera by ISS astronaut. 'OK, this is kind of out there'
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Amateur astronomer discovers bright green comet SWAN25F — and you can see it too
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NASA rover watches 'fiendish' Martian 'dust devils' collide in rare case of extraterrestrial cannibalism
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These strange, hybrid Earth lifeforms could survive on Mars, new study hints
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Powerful solar winds squish Jupiter's magnetic field 'like a giant squash ball'
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Secretive Russian military satellites release mystery object into orbit
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DealOne of our favorite beginner's telescopes — now under $300 with a 20% saving at Amazon
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Rare colorful lightning caught on camera by ISS astronaut. 'OK, this is kind of out there'
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Amateur astronomer discovers bright green comet SWAN25F — and you can see it too
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NASA rover watches 'fiendish' Martian 'dust devils' collide in rare case of extraterrestrial cannibalism
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These strange, hybrid Earth lifeforms could survive on Mars, new study hints
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Powerful solar winds squish Jupiter's magnetic field 'like a giant squash ball'
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Deal
One of our favorite beginner's telescopes — now under $300 with a 20% saving at Amazon
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How a 'mudball' meteorite survived space to land in the jungles of Central America
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Space photo of the week: The chaotic heart of the Milky Way like you've never seen it before
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Incredible photo shows supermassive black hole blowing a jet of matter into interstellar space
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Intelligent aliens would need a power supply to jump-start their civilization — would they require fossil fuels?
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QuizExtraterrestrials quiz: Are you an alien expert, or has your brain been abducted?
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If life can exist in your stomach, it can exist on Mars. Here's what it might look like.
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'Perhaps it's only a matter of time': Intelligent life may be much more likely than first thought, new model suggests
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The existence of intelligent aliens is 'highly likely' — and they could await in our own galaxy
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Did people report seeing UFOs before the 20th century?
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Alien life may look nothing like life on Earth — so how should we go about looking for it?
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12 strange reasons humans haven't found alien life yet
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'It's hard not to believe he saw something': Historian Greg Eghigian on how UFOs took over the world
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Secretive Russian military satellites release mystery object into orbit
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Watch a private German rocket explode during 1st orbital launch attempt from European soil (video)
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NASA signs new contract to use SpaceX's Starship — even though it keeps blowing up
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NASA's SPHEREx telescope 'opens its eyes on the universe', taking stunning debut image of 100,000 galaxies and stars
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'A notch above a gimmick': Experts question scientific merit of billionaire's Fram2 'space adventure' around Earth's poles
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China now has a 'kill mesh' in orbit, Space Force vice chief says
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Dying SpaceX rocket triggers giant spiral of light above UK and Europe during secret mission
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NASA astronauts Suni Williams and Butch Wilmore spent 286 days stuck in space — is that a new record?
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Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually work
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