The farthest fast radio burst yet came from a tiny, young galaxy, a clue that magnetars may set off at least some of these ...

Astronomers have traced a mysterious radio signal that traveled for more than 10 billion years before reaching Earth, setting ...

The debris from the USA 32 satellite doesn't appear to pose any immediate threat, the U.S. military said.

A historical mystery about one of the earliest encounters between space weather and electrical technology has been resolved ...

SpaceX launched a mysterious, classified U.S. Space Force mission from California Saturday morning, with little publicly known about what was sent into orbit or where it was headed. A Falcon 9 rocket ...