Researchers test smart surfaces to improve wireless communication and localization

China's Shenzhou 15 astronauts perform 2nd spacewalk and 1st 'fire in space' test (video)

A manhole cover launched into space with a nuclear test is the fastest human-made object. A scientist on Operation Plumbbob told us the unbelievable story.

A World in a Test Tube: Removing Traces of Life in Lab Helps NASA Scientists Study Its Origins