Dust and other debris would rise into the atmosphere on Bennu striking Earth, blocking out the Sun and cooling the planet to ...
YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.
Once that initial part of the mission is complete, Hera will deploy two small cubesats, which are named Juventas and Milani, ...
Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.