NASA is looking for new providers to supply low-gravity parabolic flights for spaceflight training and scientific research.

The X-ray halo of the interstellar comet 3I/ATLAS is about 400 kilometers and that is the distance that one can easily travel ...

When a sky-survey telescope in Chile pointed out a small, moving point of light the first thought was business as ...

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

This twist — that 3I/ATLAS' outer layers have been baked by the sun — does not derail our mission. It just makes the science ...

A Mars spacecraft launched from Cape Canaveral, Florida, has been AWOL. But NASA hasn't given up hope of restoring contact ...

For months, scientists and the public have squinted their eyes at photos of a blurry smudge to figure out if it’s proof that aliens exist. Discovered in July, 3I/ATLAS is not your average comet – it’s ...

Abraham ‘Avi’ Loeb, a Harvard University astrophysicist, spends most of his waking hours thinking about a giant rock. The rock’s name isn’t too catchy, 3I/ATLAS, and according to some, it’s more of a ...

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is moving away from the Sun now but getting closer to Earth until December 19, 2025 ...

The AI-powered browser comes with Perplexity’s built-in AI assistant, which you can use to ask questions about what’s in your tabs. The AI-powered browser comes with Perplexity’s built-in AI assistant ...

Perplexity AI unveiled a version of its Comet web browser for mobile devices, extending a rivalry with Google to the search giant’s Android operating system. Comet is available now on Android, and an ...