I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

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

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

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

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

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers may have just discovered a new interstellar object passing through our solar system. The object, a celestial body from another star system, was discovered on Tuesday by the University ...

A newly discovered object called 2017 OF201, likely a dwarf planet, travels in an extremely wide elliptical orbit (yellow), a new study suggests. The orbit of the dwarf planets Sedna and Pluto are ...

These objects -- numbering in the tens of millions -- -- provide a powerful window into processes such as the delivery of water and organic material to Earth, the reshaping of planetary orbits by ...

A new observatory is set to detect millions of never-before-seen solar system objects, a global group of astronomers led by Queen’s University Belfast (QUB) has said.