Gravity may not exist as we know it

Scientists discover most accurate clocks in the universe

Zombie satellite speeds around the Earth

8 amazing auroras seen on Earth ... and beyond

Cosmic forecasts found to be enhanced by space noise

Carbon-rich graphite discovered on the moon

European Union may disclose its UFO files

Boeing is developing a new space capsule to transport astronauts

Nuclear bombs may save us all

Confusion reigns around Obama space plan

Jupiter's moon smells like giant rotten eggs

New mega-telescope sets sights on devastating asteroids