Venus, currently the brightest "star" in the sky, will spend the next few days passing through the Pleiades star cluster,…
In order the represent the Universe mathematically, physicists use a handful of constants, such as the speed of light, or…
NASA's Chandra X-Ray Observatory has found unexpectedly large quantities of magnesium in an exploded star called N49B. N49B exploded as…
Dark matter is a mystery. Astronomers know it's there because they can measure the effect of its gravity on stars…
Astronomers have measured the light from a supernova, and believe that it was inside a very unusual star system when…
Amateur astronomer Jay McNeil made a lucky discovery last month when he noticed a new smudge of dust in the…
Beginning tonight, and lasting for about two weeks, all five planets visible to the unaided eye will be in the…
Make sure you keep your eyes turned to the night sky for the next couple of weeks - you'll be…
The ESA's Integral gamma-ray observatory has resolved the diffuse glow from the heart of the Milky Way into hundreds of…
One of the largest astronomy catalogs ever created was released to the public today by the Sloan Digital Sky Survey.…