March 25, 2013
Universe May Be a Titch Older
New data from the European Planck satellite indicate that the universe is 13.8 billion years old rather than a mere 13.7 billion years old. John Matson reports
Universe
Space & PhysicsDecember 7, 2010
Dancing stars turn on the red light
Two stars become one, and trigger a rare type of nova.
New Issue: Science’s Impossible Questions. Read Now
The SciencesMay 21, 2008
The History of the Observable Universe
Space & PhysicsAugust 15, 2007
Shooting Bullet Star Leaves Vast Ultraviolet Wake
Fluctuating star discovered four centuries ago still holds surprises for astronomers
Space & PhysicsJuly 8, 2004
Mature Galaxies in Young Universe At Odds with Theory
Space & PhysicsFebruary 3, 2003
Our Galaxy's Next Supernova?
Space & PhysicsNovember 16, 2000
Dating Giza's Pyramids
Space & PhysicsMay 22, 1996
Companions to Young Stars
Astronomers are sighting new planets circling distant stars