One of those investigations involved a distinctive deep dive into studying the interior of the moon.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...