Twenty-five names are carved into the black mirror-finished granite: the Challenger seven, the seven who perished in the ...

Solar Orbiter captured the most detailed view of a solar flare, observing the build-up of events that lead to the explosion.

Using artificial solar eclipses, the ESA probes Proba-3 are researching the corona of our home star. Now there is an ...

Suni Williams spent part of her career waiting in orbit for a troubled spacecraft to be cleared for the trip home. Now, after ...

NASA astronaut Suni Williams has retired after a legendary 27-year career that included 608 days in space, nine spacewalks, ...

As dense morning fog blankets Northern and Central California day after day, here’s what you need to know about tule fog.

Record-setting astronaut Suni Williams, who famously spent an extra nine months in space after a capsule issue, has ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small, weak magnetic disturbances rapidly multiplied, triggering stronger and ...

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

In late November, Air Force Capt. Charlene Sufficool was one of 104 skydivers who built the largest parachute canopy ...

As the oldest astronaut Buzz Aldrin turns 96, the astronauts of Artemis II wish him happy birthday and talk about their ...