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 ...

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 ...