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

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 ...

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