SpaceX's Musk unveils plan to reach Mars by 2022

Futurist and inventor Elon Musk unveiled ambitious plans Friday to send cargo ships to Mars in five years and use rockets to carry people between Earth's major cities in under half-an-hour.

SpaceX cargo ship returns to Earth

A SpaceX reusable cargo ship splashed down in the Pacific Ocean safely on Sunday, ending a mission to supply astronauts on the International Space Station, the company said.

Russian cargo ship docks with space station

A Russian cargo ship carrying food and equipment for astronuats docked successfully with the International Space Station on Friday after a similar craft crashed back to Earth in December.

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