-
The universe's water is billions of years older than scientists thought — and may be nearly as old as the Big Bang itself
-
-
Saucer-like 'Winnebago' space capsule lands in Australia — marking 1st for commercial space industry
-
Space photo of the week: James Webb telescope shocks scientists with image of ancient galaxy roaring back to life
-
-
-
Full moons of 2025: When is the next full moon?
-
Gaia telescope retires: Scientists bid farewell to 'the discovery machine of the decade' that mapped 2 billion Milky Way stars
-
NASA's SPHEREx telescope 'opens its eyes on the universe', taking stunning debut image of 100,000 galaxies and stars
-
'A notch above a gimmick': Experts question scientific merit of billionaire's Fram2 'space adventure' around Earth's poles
-
Best smart telescopes 2025: The latest technology for exploring the universe
-
Watch eerie 'UFOs' and a solar 'cyclone' take shape in stunning new ESA video of the sun
-
Black holes can destroy planets — but they can also lead us to thriving alien worlds. Here's how.
-
-
-
Full moons of 2025: When is the next full moon?
-
Gaia telescope retires: Scientists bid farewell to 'the discovery machine of the decade' that mapped 2 billion Milky Way stars
-
Watch eerie 'UFOs' and a solar 'cyclone' take shape in stunning new ESA video of the sun
-
Black holes can destroy planets — but they can also lead us to thriving alien worlds. Here's how.
-
James Webb telescope takes emergency look at 'city-killer' asteroid 2024 YR4 ahead of close encounter in 2032
-
See spectacular photos from Saturday's partial solar eclipse
-
Powerful X-class solar flare caught on camera erupting from sun's surface
-
James Webb telescope could find signs of life on alien 'hycean' ocean worlds
-
Black holes may obey the laws of physics after all, new theory suggests
-
-
-
Intelligent aliens would need a power supply to jump-start their civilization — would they require fossil fuels?
-
QuizExtraterrestrials quiz: Are you an alien expert, or has your brain been abducted?
-
If life can exist in your stomach, it can exist on Mars. Here's what it might look like.
-
'Perhaps it's only a matter of time': Intelligent life may be much more likely than first thought, new model suggests
-
The existence of intelligent aliens is 'highly likely' — and they could await in our own galaxy
-
Did people report seeing UFOs before the 20th century?
-
Alien life may look nothing like life on Earth — so how should we go about looking for it?
-
12 strange reasons humans haven't found alien life yet
-
'It's hard not to believe he saw something': Historian Greg Eghigian on how UFOs took over the world
-
-
-
NASA's SPHEREx telescope 'opens its eyes on the universe', taking stunning debut image of 100,000 galaxies and stars
-
'A notch above a gimmick': Experts question scientific merit of billionaire's Fram2 'space adventure' around Earth's poles
-
China now has a 'kill mesh' in orbit, Space Force vice chief says
-
Dying SpaceX rocket triggers giant spiral of light above UK and Europe during secret mission
-
NASA astronauts Suni Williams and Butch Wilmore spent 286 days stuck in space — is that a new record?
-
Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually work
-
NASA reveals a sunset on the moon in high definition for the 1st time
-
NASA astronauts Suni Williams and Butch Wilmore were carried away on stretchers after return from space. Here's why that's normal.
-
'Welcome home!': NASA astronauts who spent 9 months in orbit finally back on Earth
-
