A 170-metre (560 feet) wide asteroid named Dimorphos is about to hit the Earth on September 26 at 23.14 GMT (7.14 pm. EDT), NASA scientists have warned. But, no worries, as the US space agency is planning to alter its course away from the Earth with its $330 million Dart robot spacecraft.

NASA prepares for DART mission launch as asteroid approaches Earth. Here's all you need to know

Do you think dinosaurs ever stood a chance against the asteroid that wiped off the mighty creatures? If they were sentient beings and could have protected themselves.

NASA, SpaceX to launch spacecraft today and kick an asteroid off course. Are we in danger?

A NASA mission to deliberately smash a spacecraft into an asteroid to see if its course can be altered blasted off Tuesday from California. The SpaceX rocket carrying the experiment lifted off at 10:21 pm Pacific Time (0621 GMT Wednesday) from Vandenberg Space Force Base, NASA TV's live stream showed.

Watch | NASA mission to test out Armageddon scenario blasts off

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NASA prepares for DART mission launch as asteroid approaches Earth. Here's all you need to know

NASA, SpaceX to launch spacecraft today and kick an asteroid off course. Are we in danger?

Watch | NASA mission to test out Armageddon scenario blasts off