Scientists call it the most elemental riddle in all of physics and astronomy: What’s tearing apart the universe by turning gravity’s familiar tug into a cosmic push?
LIGHT ON DARK ENERGY NASA’s. Swift Satellite records gamma-ray bursts, rendered here by an artist, which a new study suggests provide a novel way to determine the nature of a mysterious cosmic force.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
