The fireball that lit up the predawn Northern California sky last week was a small comet that flamed out when it hit the Earth's atmosphere, a researcher said.

There’s a story in each 140 character tweet we send out. Collect 400 million of them each day, and you have the story of a country.

It's the latest pet project from the Pentagon's research wing known for its quirky and sometimes out-there ideas.

A new asteroid-mining company launched Tuesday with the goal of helping humanity expand across the solar system

Ahmed Dogan’s valedictory speech as leader of the Movement for Rights and Freedoms instantly became international news

In the aftermath of the massacre at Sandy Hook elementary school in Newtown, Conn., President Obama has moved to strengthen America's gun laws

Martian rocks from a crater hit by a meteorite may contain the strongest evidence yet that there is life on Mars.

Curiosity, is about to start drilling into the Red Planet for the first time, after discovering a treasure trove of what looks like water-created minerals.

A photo taken on January 2 reveals NASA’s Curiosity rover’s trekking accross the Red Planet.

A team of scientists from the European Space Agency have reportedly discovered an ancient riverbed on Mars

Using a well-timed laser, NASA scientists have beamed a picture of Leonardo da Vinci's masterpiece, the Mona Lisa, to a powerful spacecraft orbiting the moon

Attorney General Eric Holder and his Department of Justice have asked a federal court to indefinitely delay a lawsuit brought by watchdog group Judicial Watch.

Here’s something you might never have considered: What does the military do with all its secret planes when it’s time to retire them.

CHD2 Productions will hold a media event at the Sundae Film Festival in Park City, Utah to launch a major event/documentary project.