Four huge asteroids — and a fifth that's much smaller — are passing Earth on Thursday in their closest approaches to the ...

The Mars Curiosity rover had to weather a solar storm. Specks seen in the video the rover captured are "caused by charged ...

What Has SpaceX Done That Other Companies Haven’t? SpaceX scored its first big headline in 2010, when it became the first private company to launch a payload into orbit and return it to Earth ...

At 5:05 p.m. Eastern Time on Wednesday, NASA astronauts undocked from the International Space Station’s Harmony module aboard ...

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