‘Asteroid Day’ is a good time to learn about the threat of space rocks

On June 30th, 1908, more than 770 square miles of remote Russian forest were obliterated from the face of the Earth when a relatively small meteor, estimated at only around 400 feet across, unleashed 15 megatons of energy above the Stony Tunguska Riv...

NASA is crowdsourcing the search for exoplanets

To those of you who dream of going to space: Sorry, but that may never happen. However, NASA is once again counting on the public for help understanding what's beyond our world. All we have to do is look at some photos online. Today marks the launch...