Here’s the good news: If a near-Earth object (NEO) big enough to wipe out humanity entirely is ever on a collision course with our planet, we’re likely to find out about it a good while before it ...

Russian authorities claim to have found the impact sites of some of the fragments of the Chelyabinsk meteor, according to the RIA Novosti news agency. Two have been found near Chebarkul Lake—one of ...

Meteor impacts such as February’s explosion over Chelyabinsk, Russia, the most powerful observed in a century, may occur more frequently than thought. An analysis of recorded impacts over the past two ...