An asteroid around the size of a refrigerator was spotted hours before it hit Earth's atmosphere, and while it wasn't dangerous, it marked the fifth time in history an asteroid was detected right bef… [+3423 chars]
A theorized huge, ninth planet beyond the orbit of Neptune once again wasn't found in a new survey of the solar system's outer reaches. Astronomers scanned a large portion of the sky using the 6-met… [+3318 chars]
Black holes have long been problematic for physicists the general theory of relativity suggests information never comes out of them, but quantum mechanics wouldn't allow that to happen. There might f… [+1157 chars]