A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

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

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

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

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

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

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

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

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

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.

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.