NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, ...

The Breakthrough Listen Initiative, together with its network of collaborators, has undertaken observations of 3I/ATLAS using ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to ...

The image of Comet 3I/ATLAS was caught by Gemini North telescope atop Mauna Kea on the Big Island during a Shadow the ...

Comet 3I/ATLAS will be closest to Earth around 1 a.m. ET Friday, Dec. 19, according to Space.com, citing calculations from ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

Discover the secrets of 3I/ATLAS, the 7.6 billion-year-old interstellar comet passing Earth. Learn about its ancient origins ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to know. Comet 3I/ATLAS will approach within 168 million miles (270 million ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Katy ...