A massive 540-foot asteroid 2014 TN17, which is twice the size of the Taj Mahal, is heading in the direction of Earth at ...
As NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday, the space agency is gearing up for another ...
Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.
NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...
A 500-foot- wide space rock could inflict mass casualties across a state or a small country; those arrive every 20,000 years.