The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

Is Comet 3I/ATLAS the Oldest Comet Visitor from the Solar System? Learn about Comet 3I/ATLAS, its origins, discovery, why it ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet.

Astronomers have discovered that 3I/ATLAS is carrying methanol and other chemicals that were probably important in the origin ...

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...