The flashes and bright lights that were reported across Central and Southern California on Wednesday
Throughout our universe, tucked inside galaxies far, far away, giant black holes are pairing up and merging.
This image from NASA's Galaxy Evolution Explorer shows NGC 6744, one of the galaxies most similar to our Milky Way in the local universe.
This image is a scaled-down version of a full-circle view which combined nearly 900 images taken by NASA's Curiosity Mars rover.
The staffs of the state's top prosecutor and the governor's office have been working in secret on legislation to withhold records...
A UK-Canadian team of scientists has discovered ancient pockets of water, which have been isolated deep underground for billions of years
Whistleblowers have been threatened by unnamed Obama administration officials.
A sonic boom of some sort caused windows and walls to shake over several counties in North Central Florida Thursday night
Buried channels, believed to have been caused by flooding, have been discovered below the surface of Mars
A startling new video clip showing what appears to be an elongated skull lying on the ocean floor
Skeptical-sounding federal judges on Thursday considered whether the public can see pictures of terror mastermind Osama bin Laden
For two months now, politicians in Washington have argued furiously over who is to blame for the attack against the U.S. diplomatic compound in Benghazi
1-14 of 27