Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away ...

An interstellar comet passing through the solar system contains a surprising mix of chemicals, findings that could help ...

Ever since the comet 3I/Atlas was spotted, it has sparked curiosity—not just from astronomers and physicists, but from anyone ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months ...

A coalition of scientists and historians are floating a long-shot plan to retrieve orbiting relics—raising questions about ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...