Water discovered on the lunar surface didn’t come from comets, according to new research
Why don’t objects collide often in Earth orbit?
Find out why manmade satellites don’t crash into each other all the time
Watch as a Russian Proton-M rocket explodes seconds after launch (Update: New video showing a much wider view of the explosion)
Below you can see footage of an unmanned Russian rocket exploding at the Baikonaur Cosmodrome this morning.