Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

Astronomers confirm third interstellar object, 3I/Atlas, a fast-moving comet from deep space, giving rare insight into ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...