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NASA astronauts hold their own Summer Olympics in space (video)

NASA astronauts held their own mini-Olympics on the International Space Station to mark the start of the Summer Games here on Earth.

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NASA astronauts hold their own Summer Olympics in space (video)

SpaceX's historic Polaris Dawn astronaut mission delayed until mid-August

SpaceX is now eyeing mid- to late August for the launch of the Polaris Dawn astronaut mission, which will feature the first-ever private spacewalk.

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SpaceX's historic Polaris Dawn astronaut mission delayed until mid-August

A moon of Uranus could have a hidden ocean, James Webb Space Telescope finds

Astronomers have found that Ariel, a moon of Uranus, has some of the most carbon dioxide-rich deposits in the solar system, hinting at a buried water ...

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A moon of Uranus could have a hidden ocean, James Webb Space Telescope finds

Sun blasts out most powerful flare of current solar cycle, sends massive coronal mass ejection into space (video)

A solar flare on July 23 was even bigger than a previous one that triggered May's global aurora storm, but this one was facing away from Earth on the ...

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Sun blasts out most powerful flare of current solar cycle, sends massive coronal mass ejection into space (video)