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The stars were on full display, a striking occurrence for high noon on a sunny Saturday. There was no solar eclipse. In fact, ...

Rolls-Royce is in early-stage talks with potential commercial customers for its planned micro nuclear reactor, a technology it hopes will also provide power for space missions.

On the second anniversary of its maiden launch, relive the moment NASA's mega moon soared skyward, sending the Orion spacecraft toward our celestial neighbor.

SpaceX has plans to start the week with back-to-back launches from Florida and then Starship Tuesday in Texas.

In all our explorations of Mars to date, no evidence has been found that meets the rigorous standards to claim that we have ...

SpaceX has shared images of the massive Starship rocket on the launchpad ahead of its sixth test flight, which is currently set for Tuesday.

SpaceX launched what has been a top secret mission just before dusk on Sunday, not releasing the contents of its payload and changing its original mission name.

Overall, however, Gee et al. note that one of the most important conclusions from their data is the differences between ...

The reliable Leonid meteor shower peaks on Sunday night, offering a chance to see up to dozens of meteors per hour shooting ...

Skygazers across the U.S. on Friday will have one last chance to catch a glimpse of a supermoon before the year ends.

This week, researchers shared fascinating new findings on Uranus, the seventh planet from the sun, and the far side of the ...