Near Earth Asteroids

NASA is developing the first near-Earth asteroid deflector

Earth-based observatories would be able to see the impact and the resulting change in the orbit of Didymos B around Didymos A, allowing scientists to better determine the capabilities of kinetic impact as an asteroid mitigation strategy.

Queen's University scientist warns that a devastating asteroid impact is just a matter of time

It is a case of when an asteroid collision will happen, rather than if it will happen, says Alan Fitzsimmons