Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in ...

Think of this as the US student assessment meets “let’s see if my brain still works.” It’s your chance to find out if you’d ...

This skywatching quiz will test your knowledge of how eclipses, when to see them, and what makes each one so spectacular.