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Potentially hazardous asteroids: How many dangerous space rocks lurk near Earth — and can we stop them?
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Pale Blue Dot: The iconic Valentine's Day photo of Earth turns 35 today — and you're probably in it
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Mystery star could belong to the fastest planetary system ever seen
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'We were amazed': Astronomers discover oldest, biggest black hole jet in the known universe — and there may be more
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BUYING GUIDEBest star projectors 2025: Bring the cosmos indoors
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Scientists share groundbreaking image of the 'cosmic web' connecting 2 galaxies near the dawn of time
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'Stranded' Starliner astronauts finally have a return date — and it's sooner than expected
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Potentially hazardous asteroids: How many dangerous space rocks lurk near Earth — and can we stop them?
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Pale Blue Dot: The iconic Valentine's Day photo of Earth turns 35 today — and you're probably in it
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Mystery star could belong to the fastest planetary system ever seen
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'We were amazed': Astronomers discover oldest, biggest black hole jet in the known universe — and there may be more
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Scientists share groundbreaking image of the 'cosmic web' connecting 2 galaxies near the dawn of time
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Euclid telescope spots rare 'Einstein ring' hiding near Earth — and an ancient, unnamed galaxy behind it
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How to see tonight's full Snow Moon rise with the 'Heart of the Lion' before Valentine's Day
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Parisian photographer produces phenomenal, perfectly-proportioned 'planetary parade' portrait
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A strange triangle will appear in the zodiac this month. How to see rare 'zodiacal light,' before it disappears.
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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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The fastest-moving stars in the galaxy may be piloted by intelligent aliens, new paper suggests
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UFO whistleblowers tell Congress 'we are not alone in the cosmos'
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It would be easier to find aliens in a parallel universe than in our own, new multiverse study claims
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Does alien life need a planet to survive? Scientists propose intriguing possibility
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'Stranded' Starliner astronauts finally have a return date — and it's sooner than expected
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'Stranded' NASA astronaut Suni Williams photographed from Earth during record-breaking spacewalk. Can you spot her?
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How much did SpaceX's Starship Flight 7 explosion pollute the atmosphere?
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Chinese astronauts make rocket fuel and oxygen in space using 1st-of-its-kind 'artificial photosynthesis'
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Watch SpaceX rocket explode over Grand Turk island in dramatic stream of fire and smoke
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'It was very fortunate timing': Astronomers watch 1st black hole to 'shut off' blast back to life
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China plans to build enormous solar array in space — and it could collect more energy in a year than 'all the oil on Earth'
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New NASA robot with X-ray vision will watch Earth 'breathing' from the moon
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NASA and Japan launch world's 1st wooden satellite into orbit. Here's why it could help solve a huge problem for our planet.
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