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'Space can unite a troubled country in troubled times': NASA chief calls for unity 55 years after Apollo 11 moon landing

NASA administrator Bill Nelson is calling for unity among both major U.S. political parties amid the 55th anniversary of the first human moon landing ...

'Space can unite a troubled country in troubled times': NASA chief calls for unity 55 years after Apollo 11 moon landing

The sun's next solar cycle has begun, 'starquakes' suggest

Even though the sun's current solar cycle hasn't reached its peak yet, scientists have seen signs that the next 11-year solar cycle is already getting...

The sun's next solar cycle has begun, 'starquakes' suggest

Polaris Dawn crew shows off new SpaceX spacesuits for 1st private spacewalk (photos)

SpaceX's new spacesuits look gorgeous in these photos from the Polaris Dawn crew's recent acceptance testing and training. The mission will include th...

Polaris Dawn crew shows off new SpaceX spacesuits for 1st private spacewalk (photos)

NASA delays ISS spacewalks indefinitely to investigate spacesuit coolant leak

NASA had planned to hold its next spacewalk at the end of July, but now that's off the schedule. An investigation continues after a June 24 coolant le...

NASA delays ISS spacewalks indefinitely to investigate spacesuit coolant leak

A high-speed particle struck the Gaia space telescope — but Gaia came back stronger than ever

A high-speed particle and electronics malfunction threatened the Gaia space telescope, but scientists managed to not only fix the issue, but also to o...

A high-speed particle struck the Gaia space telescope — but Gaia came back stronger than ever

How to make a comet

Meta description: Learn how to make your very own comet with these cool NASA experiments.

How to make a comet