An eastern Kansas man who built his own telescope and operates it from a shed in his back yard has discovered a previously unknown and potentially hazardous asteroid.
Gary Hug lives near Scranton. He was trying to help plot the orbit of a known Near Earth Object when he noticed something Sunday night that appeared to be moving too slow to be a satellite, but too fast to be a main belt asteroid.
There's a small spacecraft called Messenger that's been orbiting the planet Mercury for a year. Today, at the Lunar and Planetary Science Conference in Houston, astronomers revealed what they've learned about the innermost planet in our solar system, and some of the new knowledge is puzzling.
Maria Zuber, a planetary scientist at the Massachusetts Institute of Technology, studied a large crater 900 miles across called Caloris.