Ukrainian scientists have discovered a massive asteroid; NASA responds. This diagram shows the orbit of asteroid 2013 TV135 (in blue), which has just a one-in-63,000 chance of impacting Earth. Its ...

Quick update on NASA's amazing plan to lasso an asteroid: they're making progress on the ion propulsion engine they'll need for the mission, one month after president Obama proposed giving NASA $100 ...

NASA has been monitoring the asteroid and providing updates on its trajectory. While the asteroid is relatively small, it could still cause significant damage if it were to hit Earth. The asteroid is ...

WEST LAFAYETTE, Ind. — If the asteroid rapidly approaching us this week were to impact rather than nearly miss Earth, it would explode with a four-megaton force near what the military calls optimum ...