Dogs pay close attention to the emotion in our voices, but what about the meaning of words? A clever experiment with 250 canines shows that dogs understand more of our speech than previously thought.

The new design would seat passengers within a circular seating area rather than in short rows inside a tube.

It's common for some clinics in rural America to consult medical specialists by video for difficult cases. Dartmouth is testing a robot that connects trainers to a neurologist who is miles away.

No, really. Some serious scientists collaborated with Facebook in 2010 and found that the app added 340,000 additional voters that election cycle.

The Virgin Galactic Spaceship Two was undergoing a test flight when it crashed in the California Desert. The spaceship is designed to take tourists to space.

A European spacecraft has picked up a foul odor emanating from comet called 67P/C-G. Imagine sharing a stable with a drunk person and a dozen rotten eggs.

The orbital probe will study how the solar wind interacts with the red planet's thin atmosphere.

Earlier this week, NASA awarded two contracts for new spaceships to commercial companies. Here's how they compare.

In the rollout of its new mobile operating system, Apple says it has made it technically impossible for the company to unlock phone data, even in response to a law enforcement warrant.

Apple unveiled its first new product line since 2010, a wearable computing device called the Apple Watch. But is it a game changer? You can't trust all the hype.