Space
NASA spy telescopes won’t be looking at Earth
A Mars orbiter and an exoplanet photographer are among proposals being presented today for how to use two second-hand spy satellites that NASA's been given
News
Space
Astrophile: A scorched world with snow black and smoky
News
Life
Dinosaur-killing asteroid was a twin terror
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
A new look at twin-star systems hints that life might thrive in more places than we thought, as long as it can adapt to wild climates
News
Life
Nearby Tau Ceti may host two planets suited to life
News
Space
2013 Smart Guide: New maps to rein in cosmic inflation
News
Space
2013 Smart Guide: Supercomet to outshine the moon
News
Life
How an ancient Egyptian code unmasked a cannibal star
Features