Planet Earth 2

After a series of delays, NASA's Wide-field Infrared Survey Explorer (WISE) began its mission Monday morning, rocketing toward orbit at ...

COPENHAGEN—The controversy at this climate summit revolves around two simple issues: Who cuts? Who pays? Of course, climate change does not ...

A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to t...

To a robot designer like Sangbae Kim, the animal kingdom is full of inspiration. "I always look at animals and ask why they are the way...

TOKYO – Japan launched its fifth spy satellite into orbit Saturday in a bid to boost its ability to independently gather intelligence, the g...