According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

Interstellar Comet 3I/ATLAS, the third known object to visit our solar system from another star, carries a chemical signature ...

A visitor from another star system is creating excitement in the astronomy community. The comet 3I/ATLAS which was first spotted in July 2025 contains chemical clues that scientists can use to ...

A newly discovered interstellar comet known as 3I/ATLAS is racing through our Solar System on a hyperbolic trajectory at more than 68 km/s, offering scientists a rare chance to study material formed ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

Lead researcher Nathan Roth said the image shows the comet is “bursting with methanol in a way we just don’t usually see.” ...

Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at concentrations never before seen, and it makes its final pass through our cosmic n ...

When astronomers first observed comet 3I/ATLAS, they realized it was special. It is just the third confirmed interstellar object to pass through our Solar System, after the enigmatic ‘Oumuamua and the ...

Astronomers studying a rare interstellar comet have discovered something surprising: it contains unusually large amounts of methanol, a type of alcohol. The discovery offers a fascinating glimpse into ...

Astronomers studying the Kuiper Belt have detected a strange distortion that could point to an unknown planet lurking far beyond Neptune.

Earth has been around for 4.543 billion years. At numerous times during that long history, our planet has shared itself with the rest of the Solar System, particularly with our immediate neighbors. Sc ...