Study links swarm of quakes in Texas to natural gas drilling. "There's almost an abundance of smoking guns in this case."

Your private medical information is under threat

After delays and mishaps, the SpaceX supply ship arrived at the International Space Station to supply astronauts running low on supplies with groceries and belated Christmas gifts.

Before Snowden, a debate inside NSA

Glitch crashes global US passport, visa operations

TSA requiring passengers to turn on electronic devices

Elon Musk takes on carbon with solar, battery bets

US pushing local cops to stay mum on surveillance