Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

NASA confirms the arrival of 3I/ATLAS, the third interstellar object. The ATLAS project spotted it in June 2025. Its speed ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...

It was only discovered last month (1 July) by the ATLAS survey telescope in Chile and NASA was quick to confirm that the ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner ...

Trump’s budget would cut NASA’s $7.33 billion science budget nearly in half. The administration’s argument is simple: NASA ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...