The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking Earth eight years from now.

And the University of Hawaii has been selected to be a part of this history making adventure. Here are some facts to know: 1.

The ancient Egyptians used these meteorites to create high status objects such as jewellery that they buried in tombs with important people. In February 2013, a fireball streaked through the clear ...