China has announced it is building the world's fastest wind tunnel to develop a new generation of super-fast airplanes, but it could also be used for hypersonic missile technology.

Very few people may have read and understood "A Brief History of Time", but the physicist Stephen Hawking carved himself out a place in pop culture equaled only by Albert Einstein.

Renowned British physicist Stephen Hawking, whose mental genius and physical disability made him a household name and inspiration across the globe, has died at age 76, his family said Wednesday.

Beneath the elegant curves of the roof on the Seirinji Buddhist temple in Japan's Fukushima region hangs an unlikely adornment: a Geiger counter collecting real-time radiation readings.

It is a high-stakes gamble with thousands of human lives on the line.

Humanity may need look no further than our own Solar System in the search for alien life, researchers probing one of Saturn's moons said Tuesday.

In the world's driest desert, an unassuming black box called "Espresso" is about to begin a very big mission: scouring the universe for planets like ours to find signs of life beyond Earth.

SpaceX chief executive Elon Musk plans to blast off his own Tesla roadster Tuesday, atop the world's most powerful rocket in operation, the Falcon Heavy, to the tune of David Bowie's "Space Oddity." 

Russia on Thursday successfully launched 11 satellites from its Vostochny cosmodrome, in the third rocket liftoff from the new spaceport, the space agency said.

Seabiscuit, Secretariat and every nag to ever pull a plow had five toes on each foot, says a study released Wednesday that stomps on the notion modern horses only have one toe.