Comet 3I/ATLAS leaving the Solar System marks a rare final farewell. Learn how to watch the last livestream and why scientists care, today!!

Scientists intensify study of 3I/ATLAS as a rare solar alignment highlights its unusual jets, trajectory, and debated origins ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

When the object now known as 3I/ATLAS was flagged by automated sky surveys, it first looked like another distant icy body ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...

When you find 1,900 previously unknown space rocks within seven nights of starting operations, there are bound to be some ...

The CIA's refusal to confirm records on interstellar object 3I/ATLAS sparks a global debate. Is it a comet or a 'black swan' ...

An interstellar object detected last summer has ignited a renewed debate among astronomers after researchers floated the possibility that it may have formed near the dawn of the Milky Way, challenging ...

NASA is monitoring a bus-sized asteroid that is speeding towards the Earth at more than 22,600 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Measuring ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...