Nasa has successfully crashed a spaceship into an asteroid in the first ever "planetary defence test," clearing the way to perhaps one day save humanity from extinction.

The mission was the first attempt to alter the movement of a celestial body. It was intended to prove that it is possible to change the course of any future doomsday space rock threatening to obliterate Earth.

The historic test, which has been compared to the plot of the Hollywood movie "Armageddon," involved sending a $325 million spacecraft called DART [Double Asteroid Redirection Test] on a 10-month kamikaze journey.

Read the full article here:

Subscribe to The Telegraph with our special offer: just £1 for 3 months. Start your free trial now:

Get the latest headlines: and are websites of The Telegraph, the UK’s best-selling quality daily newspaper providing news and analysis on UK and world events, business, sport, lifestyle and culture.

See source