A massive coronal mass ejection (CME) has put NASA’s Curiosity rover in a direct line of fire

Physicists in Italy said Wednesday they are achingly close to concluding that what they found last year was the Higgs boson, the elusive "God particle."

The truth really is out there … according to Russell Crowe.

Google says the FBI is monitoring the Web for potential terrorist activity. But it can't say how extensive the surveillance is.

Some people believed they were witnessing a plummeting plane, a military attack, or a UFO

Zombie UFO Crash Disaster full-scale exercise drill planned for April 27th, 2013, from 9:00am to 5:00pm.

A strange-looking distant galaxy spotted by the Hubble Space Telescope.

NASA’s Cassini spacecraft has taken stunning new photos of Venus, according to a space agency news release.

NASA's Mars rover Curiosity is out of safe mode and back on active status after computer trouble had sidelined the vehicle for nearly a week

A set of extraordinary and secretive surveillance programs conducted by the National Security Agency has been institutionalized, and they have grown.

The vast majority of the Earth's estimated 13 million species are still unknown

Fragments of an ancient continent are buried beneath the floor of the Indian Ocean, a study suggests.

Remember that massive meteorite that crashed down in Russia last week? Well, it arrived a couple thousand years before scientists had predicted

Nearly every day, videos, photos and eyewitness accounts of UFOs pop up on the Internet.