Astronomy
Early Galaxy Growth Spurt Spotted
The Chandra X-Ray Observatory has detected distant galaxies going through a period of tremendous star formation, at the same time…
Sedna Probably Doesn’t Have a Moon
When the planetoid Sedna was discovered last year, astronomers noticed that it had a very slow rotation speed, only turning…
Light Seen From Earliest Stars
Astronomers have used the Spitzer and Hubble space telescopes to see some of the first stars that formed in the…
Swift Measures the Distance to Two Blasts
Since its launch late last year, NASA's Swift space telescope has already spotted 24 gamma-ray bursts - the most powerful…
Starburst Galaxies Hide Black Holes
Starburst galaxies get their name from the enormous amount of star formation going on inside them; on average, they create…
How Galaxy Collisions Lead to Starbirth
Galaxies are built up over time through a series of collisions with other galaxies. Each time this happens, clouds of…
New Milky Way Dwarf Satellite Galaxy Discovered
Some current models of galaxy formation predict that large spirals such as the Milky Way and Andromeda Galaxy should have…
Survey Finds Dark Accelerators
A team of European astronomers has found some unusual objects in the central part of our galaxy which are emitting…
Dark Energy Survey Will Study 300 Million Galaxies
A new astronomical survey is in the works to help uncover the source of the mysterious dark energy which is…
Super Star Cluster Discovered in Our Own Milky Way
The Milky Way has several star clusters; collections of stars pulling each other into a tight group. But now astronomers…