NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

The interstellar object has been given the name 3I/ATLAS, and we now know it's a comet. The object, which is also known as C/2025 N1 (ATLAS), is moving almost twice as fast as the previous two ...

A comet the size of Manhattan has been detected hurtling through the solar system, marking only the third time an ...