A bus-size asteroid is racing through space on a trajectory that will bring it close to Earth, and NASA is watching it with ...

The space rock is hurtling toward the Earth at a zippy 8,478 miles per hour miles per hour, according to the space agency.

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

In a discovery that could rewrite what we know about where water comes from and the building blocks of life in the solar system, researchers have found rare meteorite pieces inside dust brought back ...