Sweden is considering sending the Meteor missile to Ukraine, one of Europe’s most advanced beyond visual range air to air weapons. If paired with the right aircraft and sensors, it could shrink Russia ...

Add Yahoo as a preferred source to see more of our stories on Google. On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. [‘On This Day in Space’ Video Series on ...

The next asteroid won’t come with a warning siren. What happens after it’s discovered could determine everything.