Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

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

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

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

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

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.

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

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

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

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...