NASA and SpaceX: Dragon Crew Extraction Rehearsal

On August 13, 2019, NASA astronauts Doug Hurley, left, and Bob Behnken continue to work with teams from NASA and SpaceX to rehearse crew extraction from SpaceX’s Crew Dragon.

Studying How Arctic Wildfires Change the World

Standing among dead black spruce trees in a burned area near Delta Junction, Richard Chen dug soil sampling pits throughout the burned area.