The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

Harvard's Avi Loeb gives a '40% chance' that interstellar object 3I/ATLAS is alien technology, citing 'anomalies' like pure ...

Agents are being asked to emulate human users in an environment designed exclusively for humans. Agents will continue to fail ...

From fake domains and download links to AI sidebar attacks, researchers warn Perplexity’s CometAI browser has become ground ...

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

The month of October is hosting multiple celestial events and one of them is a double-comet spectacle. Here's how to see the ...

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...

A rare interstellar comet — only the third ever confirmed to enter our solar system — was photographed last week, closely approaching Mars, the European Space Agency said Tuesday. The images taken on ...

3I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft. By Kenneth Chang Kenneth Chang reported on the first ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images reveal the comet's bright coma but show no signs of a tail. Soaring 18.6 ...