
This week in 1973, the second crewed Skylab mission splashed down in the Pacific Ocean following a successful 59-day mission…

A new iceberg calved from Pine Island Glacier—one of the main outlets where ice from the interior of the West…

A color composite image of Earth was taken on Sept. 22, 2017, by the MapCam camera on NASA’s OSIRIS-REx spacecraft.

The brightly lit limb of a crescent Enceladus looks ethereal against the blackness of space. This image is a composite…

For most alpine areas, scientists are concerned that global warming and retreating ice will swell glacial lakes and increase the…