When a star like our Sun reaches the end of its life - a fate we'll face in 5 billion…
After surveying more than 200 stars in various stages of formation, ESA's XMM-Newton X-Ray Observatory has revealed a dramatically different…
One of the brightest, closest stars to the Earth is Altair, located about 15 light-years away. For the first time,…
Brown dwarfs are failed stars that didn't have the mass to ignite fusion. But where do you draw the line…
A new photograph taken by NASA's Chandra X-Ray Observatory reveals one of the most energetic events ever seen in the…
Astronomers have always assumed that the most active star formation was happening in the largest galaxy clusters, since they have…
Most of the Universe is a complete and total mystery. And one of these mysteries is dark matter. It's out…
Life isn't easy for a dwarf galaxy in our local group. They're passed from galaxy to galaxy, harassed by gravity,…
Many of the stars in the Universe are located in binary or multiple star system, where several stars orbit a…
Astronomers released this beautiful photograph of the grand spiral design galaxy, M81, captured by the Hubble Space Telescope. Although it…