Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's core.

Teledyne Brown Engineering helped implement the Extant Life Volumetric Imaging System (ELVIS) project aboard the ISS.

American astronaut Don Pettit has shared a video of the elusive flamingo pink aurora filmed from the International Space Station looking out onto Earth. In a vibrant atomic oxygen light show, the ISS ...