Human Extinction Predictions Spark Scientific Debate
NASA stacks Artemis 2 moon mission’s Orion capsule atop SLS rocket ahead of 2026 launch
The Artemis 2 SLS rocket that will launch the next astronauts around the moon is all put together inside NASA's Vehicle...
Watch comets Lemmon and SWAN make their closest approach to Earth on Oct. 24 (video)
The livestream is scheduled to start at 1:30 p.
'You're free!' Tiny Japanese satellites escape doomed space station years ahead of its fiery death | Space photo of the day for Oct. 21, 2025
JAXA has successfully deployed three new Cubesats from the International Space Station's Kibo module, marking another st...
This company's plan to launch 4,000 massive space mirrors has scientists alarmed: 'From an astronomical perspective, that's pretty catastrophic'
Reflect Orbital has applied for a Federal Communications Commission (FCC) license to launch a giant mirror to space next...
Pair of 'holy' islands in eerily green African lake hold centuries-old relics and mummified emperors — Earth from space
A 2017 astronaut photo shows the islands of Dek and Daga lurking in the murky, algae-infested waters of Ethiopia's Lake...
Mysterious smoldering wreckage in Australian Outback is likely part of a Chinese rocket
A piece of smoldering wreckage found in Western Australia is likely part of a Chinese rocket that crashed to Earth on Sa...
SpaceX could lose launch contract for Artemis 3 astronaut moon mission, NASA chief says: 'The problem is, they're behind'
SpaceX has long held the contract to land NASA's Artemis 3 astronauts on the moon a few years from now.
Virtual particles: How physicists' clever bookkeeping trick could underlie reality
A physicist explains the idea of virtual particles and why they are important to study.
Scientists discover 1st evidence of 4.5-billion-year-old 'proto-Earth' buried deep within our planet
Ancient rocks from Greenland, Canada and Hawaii preserve a rare chemical fingerprint that may come from the Earth before...
Are we already witnessing space warfare in action? 'This is not just posturing'
"The Russians and the Chinese are demonstrating more sophisticated orbital maneuvering abilities.
New moon of October 2025 hides red star Antares for some lucky stargazers tomorrow
The new moon will see dark skies for the peak of the Orionid meteor shower, while three days will pass in front of the r...
Hubble spies a glowing 'starburst ring' | Space photo of the day for Oct. 20, 2025
NASA's Hubble Space Telescope captures the glittering spiral galaxy NGC 6951, where a central bar fuels a spectacular ri...
'It's really an extraordinary story,' historian Steven Tuck says of the Romans he tracked who survived the AD 79 eruption of Mount Vesuvius
"I have found two or three rich guys, but I found a couple hundred middle class and even some desperately poor people wh...
'People made it out of the cities alive': Tracing the survivors of Pompeii and Herculaneum, 2,000 years after Vesuvius erupted
Several lines of evidence, from chiseled inscriptions to missing horses, suggest that thousands of people survived the e...
Don't miss the Orionid meteor shower peak begin overnight tonight under a moonless sky
Here's what to expect when the Orionid meteor shower peaks on Oct.