All the most amazing supernovas ever photographed

NASA has revealed spectacular, newly reprocessed images of four of the most amazing supernovas ever captured by a human science instrument—the Crab Nebula (top), Tycho, G292.0+1.8, and 3C58—to celebrate the 15th anniversary of the Chandra observatory. I decided to go one step further and collect them all. »7/22/14 10:07pm7/22/14 10:07pm

Amateur astronomers and NASA capture galaxy eating another galaxy

NASA has published this image showing the M51 spiral galaxy—located 30 million light years away from Earth—eating a tiny galaxy like a hamster would it a tiny burrito, which you can see on its upper left.* It was obtained using data from the Chandra X-Ray space observatory and optical data from amateur telescopes on… »4/30/14 7:54pm4/30/14 7:54pm