Bam NASA's Dart spacecraft slams into moonlet in asteroid system

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. Watch the ...
Live Science on MSN

NASA's DART: Redirecting an asteroid to protect Earth

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

Earth defenceless against THOUSANDS of ‘city killer’ asteroids in space as Nasa chief admits it ‘keeps me up at night’

EARTH cannot defend itself against the thousands of “city killer” asteroids that are zooming around space near our planet, Nasa chiefs warn. They reckon there are about 15,000 undetected ...

NASA scientist's terrifying warning asteroid 'we know nothing about' could wipe out city

A top astronomer responsible for defending the Earth against asteroids has revealed what keeps her up at night — thousands of “city killer” space rocks that remain undetected. Dr Kelly Fast, NASA’s ...