Life
Dinosaur-killing asteroid was a twin terror
The infamous space rock that wiped out the dinosaurs may have been a binary – two asteroids revolving around each other
News
Space
Close call coming: Averting the asteroid threat
Features
Stellar performances finally gain the limelight
Culture
Space
8th-century tree rings hint at close-range space blast
News
A glittering introduction to the night sky
Culture
Space
Largest structure challenges Einstein’s smooth cosmos
News
Space
Ghostly galaxies burned off mysterious cosmic fog
News
Life
Only the toughest would survive on Tatooine worlds
News
Life
Nearby Tau Ceti may host two planets suited to life
News
Space
2013 Smart Guide: New maps to rein in cosmic inflation
Results from the Planck satellite will further our grasp of the driving force behind the early universe's blisteringly fast expansion
News
Space
2013 Smart Guide: Supercomet to outshine the moon
News
Life
How an ancient Egyptian code unmasked a cannibal star
Features
Space
Mysterious star deaths are really mergers in disguise
News
Physics
Space-time waves may be hiding in dead star pulses
News