NASA - National Aeronautics and Space Administration

The first definitive detection of methane in the atmosphere of Mars indicates the planet is still alive, in either a biologic or geologic sense, according to scientists.

Using a NASA radar flying aboard India's Chandrayaan-1 spacecraft, scientists are getting their first look inside the moon's coldest, darkest craters.

Every time we get into our car, turn the key and drive somewhere, we burn gasoline, a fossil fuel derived from crude oil.