Extreme heat is breaking global records: Why this isn’t ‘just summer,’ and what climate change has to do with it
New images revealing the invisible side of the universe celebrate the work of a mission in peril
Jupiter's surreal clouds swirl in new van Gogh-esque view from NASA's Juno probe (photo)
Chinese astronauts simulate a debris-strike emergency on the Tiangong space station (video)
A Disease That Makes Children Age Rapidly Gets Closer to a Cure
Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds
Monday was the world's hottest day ever recorded — breaking Sunday's short-lived record
China's tiny 'Golden Toad' rover used AI to take an epic photo on the moon's far side (video)
