Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

Interstellar object 3I/ATLAS reaches its perihelion, prompting Harvard's Avi Loeb to suggest it's an 'alien mothership.' ...

ESA's ExoMars Trace Gas Orbiter was able to collect high-resolution imaging and spectroscopic data of the 3I/ATLAS comet.

Astronomers confirm the third known interstellar object, Comet 3I/ATLAS, has entered our solar system, revealing a mysterious ...

I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

A rare interstellar visitor, comet 3I/ATLAS, is currently traversing our solar system, offering scientists a unique chance to ...

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

I/ATLAS made its closest approach to Earth on 29 October 2025, coming within 1.8 astronomical units, or around 167 million miles.

The interstellar comet 3I/ATLAS has just made its closest pass to the Sun, and it's brighter than scientists expected.

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

DeGrasse Tyson, the world-renowned astrophysicist, spoke in front of 4,000 people at a summit in Erie in Oct. 29.

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...