Topic: Palomar Observatory
Astronomers have identified the early warning sign of an imminent supernova: a stellar belch that could indicate the star will explode within a month or two.
Scientists hit "rewind" to discover how white dwarfs play a role in the evolution of a supernova.
12/14/2011 05:45 pm
Cal Tech astronomer and author Mike Brown helped to demote Pluto from planethood – and got a lot of hate mail as a result.
12/17/2010 11:52 am
Lunar eclipse: Early Saturday morning, skywatchers in parts of North America saw a shadow pass across part of the nearly full moon as it hung low on the horizon.
06/28/2010 01:51 pm