The astronomical community is abuzz over a newly discovered "interstellar object," only the third of its kind ever seen, ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.