If the thought of a supermassive black hole terrifies you, a new study may provide some relief. Scientists say that these galactic giants might not actually be as big as we thought.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

Three new space weather satellites have soared into orbit from Kennedy Space Center, aiming to provide crucial insights into ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...