Slowed by four main parachutes in predawn darkness, the SpaceX Dragon Endeavour spacecraft descended and splashed down in the ...

The JWST tracks a path right-to-left across the eastern horizon in the hours following sunset in January. On Jan. 19 it will ...

The Artemis II mission is scheduled to begin as soon as next month with the Cosmosphere already planning a watch party for the historic launch.

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

A strong geomagnetic storm could interact with Earth's atmosphere within the next 24 hours, bringing the potential for ...

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

A powerful flare has unleashed a severe solar storm that could cause auroras and satellite disruptions on Earth.