AP - Archaeologists said Tuesday they have dug up a woman skeleton dating to the 10th century B.C. in an ancient necropolis in the heart of Rome.

AP - The ground heaves, an earthquake is born. Underground sensors along fault lines detect rumblings humans can't and relay signals to a central computer. Precious seconds before anything is felt, wailing sirens blare that a big one is on its way.

AP - A lake atop a rumbling volcano on the South Pacific island of Ambae has changed color from blue to bright red, puzzling scientists.

AP - The future of energy is bright in Said Al-Hallaj's invention lab at the Illinois Institute of Technology, and not just because of the solar window that lies in development on a table.

AP - Pelican Shoal has never been much of an island — a quarter-acre patch of sand, bleached white coral and scrub seemingly adrift in crystal clear waters seven miles southeast of Key West.

AP - An unmanned probe got within feet of a violent underwater eruption in the Pacific Ocean, returning with the clearest footage ever captured of seismic activity under the sea, a team of Japanese and U.S. researchers said.