Watch: Meteor Soars Over Texas Skies
Police dash-cam captured the bright light that was seen as far as Kansas.

First Earth-Size Planets Found in Space
Scientists using NASA's Kepler space telescope say they have found two planets orbiting a distant star -- and say the planets are the first ever that are the size of Earth or smaller. That could be critical in the search for extraterrestrial life.

Watch: Steve Jobs Action Figure Unveiled
Unauthorized Apple co-founder doll goes on sale in February.

Watch: Mysteries of the Northern Lights
David Muir gives a little insight into what creates those amazing auroras.

Watch: Quadrantid Meteors Shower the Sky
Stargazers see debris from extinct comet over the Northern Hemisphere.

18-Mile Crack Seen in Antarctic Glacier
Antarctica is so vast that the pictures give you no sense of scale. The pencil-thin line across the satellite image of Pine Island Glacier (above) is actually more than 18 miles long, 800 feet across in places, and 180 feet deep. And it’s growing. In...