
Secure your ChatGPT account against AI‑driven cyber threats
OpenAI announces GPT‑5, a next‑generation AI model poised to advance natural language understanding and creative applications with improved accuracy.

New study reveals why time seems to move faster the older we get
A new study hints that age-related changes in our brains may explain why time feels like it's slipping away faster with...

Superbright 'Comet Lemmon' gets its tail temporarily torn to pieces by solar wind
An astrophotographer snapped a stunning shot of Comet Lemmon's flowing tail getting shredded by a strong gust of solar w...

Superbright 'Comet Lemmon' flies through auroras over Scotland during surprise solar storm
A photographer snapped a striking shot of Comet Lemmon streaking over Scotland as the night sky unexpectedly filled up w...

Scientists discover first direct evidence that slivers of 'proto-Earth' may survive today
In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in...

The other space race: why the world is obsessed with sending objects into orbit
An academic dives into "the other space race" as countries work to send satellites and other objects into orbit around t...

NASA'd too hard: The ultimate NASA trivia quiz
Test your knowledge of NASA's triumphs, setbacks, and space-age breakthroughs that define this space agency's legendary...

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...