2 U.S. astronauts board SpaceX rocket for historic launch

With thunderstorms threatening a delay, two NASA astronauts climbed aboard a SpaceX rocket ship Wednesday for liftoff on a history-making flight that was seen as a giant leap forward for the booming business of commercial ...

SpaceX on cusp of launching astronauts, back on home turf

With bad weather threatening a delay, two NASA astronauts suited up for the launch of a SpaceX rocket ship Wednesday on a history-making flight to the International Space Station that was seen as a giant leap forward for ...

Terrestrial bacteria can grow on nutrients from space

In the past decade, there has been renewed thinking about human missions to the moon and perhaps even to Mars. Inevitably, terrestrial microorganisms on the bodies of astronauts, spaceships or equipment will come into contact ...

Milestones of US human spaceflights

Here are key milestones in the history of crewed US spaceflights, which resume on May 27 with the first transport of US astronauts to the International Space Station for nine years.

NASA gives go-ahead for first crewed SpaceX flight on May 27

NASA gave the green light on Friday to next week's launch of two astronauts aboard a SpaceX vessel—the first crewed space flight from US soil in nine years and a crucial step towards ending American dependence on Russian ...

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