ESA’s Swarm satellite mission has discovered a mysterious magnetic wave that "oscillates every seven years and propagates westward at up to 1500 kilometers (932 mi.) a year." Credit: ESA ...

Small stars that are far away tend to be faint and hard to see. De Ruiter and her colleagues used the Multiple Mirror ...

Researchers discover collisionless shock waves as cosmic engines accelerating subatomic particles in space to extreme speeds.

Uncover the surprising connection between Earth storms and space radiation through the effects of lightning on high-energy ...

NASA's Sunita Williams and Barry “Butch” Wilmore, who have been stranded in space for more than nine months, are scheduled to return to Earth in mid-March.

The team tracked the signal back to a strange binary system containing a dead star or " white dwarf " and a red dwarf stellar ...

Scientists have confirmed a 19-year-old theory on solar flare formation by observing “slip-running” reconnections in the ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

Space is a hostile environment for humans. Even on Mars, settlers might have a hard time coping with potentially lethal ...

A rare, violent solar storm could knock out vulnerable satellite systems and leave ships stranded without navigation, ...