Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

NASA's Solar Dynamics Observatory just spotted a massive hole on the sun called a coronal hole. The hole appears black because it's cooler than its surroundings and is responsible for high-speed ...

Dr Wolf says the brighter the quasar, the faster the black hole is growing - and this one is a hungry cosmic hurricane, gobbling up the equivalent of one sun per day. "Many people have already ...