Interstellar comet 3I/ATLAS is set to make its closest-ever approach to Earth on December 19, 2025, passing safely at a ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Experts say the event offers a rare opportunity for both scientists and skywatchers to observe the mysterious visitor from beyond our solar system, ...

The closest known star to Earth is called Barnard's star, and it's located just six light years away, which is a very small distance in astronomical terms. In the world of astronomy, six light years ...

These hot August nights can be great for stargazing. Here’s a look at what’s going on above us right now and later in the month. Lawrence Livermore National Lab enters a different kind of space race ...