Once that initial part of the mission is complete, Hera will deploy two small cubesats, which are named Juventas and Milani, ...

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

Asteroid headed towards Earth could smash into the Moon, scientists say - Nasa expects chances of Earth collision to be ...