The pilotless X-37B has returned. But, the Air Force isn’t telling anyone what this spacecraft has been up to
India’s Mars Orbiter has made it to the top, but is it a one-hit wonder?
The Turing test doesn’t measure a computer’s intelligence, but it does say something about its usefulness — here’s how.
NASA has a long history of repurposing old missions that finished or went wrong and ending up with great science
Scientists wonder what’s in store as sun activity lingers at lowest in over a century
Tiny ice ball meets giant fireball
A proposal to replace the steering wheel is getting some traction
Federal crackdown on underground drug markets makes future of online drug vending unclear
New twist on microscopic technique lets users feel the forces pressing in on particles
Researchers are awarded for taking their chemical experiment to cyberspace