Moved by the views of Earth below, pop star Katy Perry couldn't resist singing "What a Wonderful World" in space.

An astronaut boot - part of a NASA lunar spacesuit prototype, the xEMU - is readied for testing in JPL's CITADEL. A thick aluminum plate stands in for the cold surface of the lunar South Pole, where ...

T minus 1 minute to go here. Engine thrust ... Aisha Bowe, a former NASA engineer who started her own companies to promote science education; and Amanda Nguyen, a scientist who studied planets ...

SpaceX is aiming to launch 21 Starlink internet satellites now at 1:11 a.m. EDT Saturday from Kennedy Space Center Pad 39A.