Milky Way Andromeda Collision: 50-50 Chance
Astronomers now say it's a 50-50 shot the Milky Way and Andromeda will collide in the next 10 billion years. A fresh an…
Mysterious Objects Found in NASA Chandra Archive
Eighteen years after launching, NASA's Chandra X-ray Observatory has discovered 84 baffling celestial bodies that defy…