For the First Time Ever a Piece of Asteroid Landed in the U.S. Instead of Crashing

It's been a very long time coming, but finally a piece of an asteroid called Bennu reached the United States. It didn't do it as asteroids usually do, by crashing down onto the surface, but was delivered by means of a capsule dropped from 63,000 miles (102,000 km) high in the sky by a spacecraft. Bennu is a piece of carbonaceous rock we've known about since 1999. It is officially classified as a potentially hazardous object... (continue reading...)