Foundation season 3 jumps ahead several decades, and the timeline is critical to understanding where Foundation and Empire stand in the galaxy.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar comet 3I/ATLAS. Experts tell Live Science how they are planning to observe ...