Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a telescope to be seen.

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

NASA's Parker Solar Probe has flown into the Sun's corona. Structures known as coronal streamers and the Milky Way can be ...

Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called ...

An upcoming NASA mission will feature a major piece of technology designed by a team of researchers from the University of ...

Four compact satellites of NASA's PUNCH mission are prepping for a shared launch with the SPHEREx space telescope on a SpaceX ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

The agency expects a minor or greater geomagnetic storm—a disturbance of Earth’s magnetic field—on Saturday, which increases ...

Electric propulsion is being increasingly used on space missions and could ultimately replace thrusters using chemical ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.