During a series of tests of the new ballistic missile defense interceptor conducted by the Pentagon’s Missile Defense Agency from 2010-2016, the interceptors missed their targets several times.
The UN Office for Outer Space Affairs is in talks with Colorado-based Sierra Nevada Corporation to provide an infrastructure giving the UN access to outer space.
Some scientists want to send messages into space in the hope of piquing alien interest. But might it attract the kind of attention no civilization wants?
A huge asteroid that could wipe out human life is heading for our planet. And it's just one of more than a half million near-Earth objects in our solar system.