Dealing with Potentially Hazardous Asteroids

A trio of asteroid stories: OSIRIS-REx’s sample of Bennu on schedule to return; researchers develop method to map asteroid density distribution; and 3200 Phaethon’s rotation speeds up.

Science can be a long game, especially when dealing with space science. Distances are astronomical; scales are measured in millions and billions. And while our asteroid belt isn’t far away, astronomically speaking, researchers have had to do a lot of…