Insights Some of the most important inventions ever were created by accident.  Viagra is a surprising addition to this list ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Earth, captured once a day by the EUMETSAT meteorological satellite, have been time-lapsed. (video looped) Credit: Simon ...

From thousands of shots by National Geographic's photographers, here are the moments that inspired the most. Join the ...

It looks like something unnatural was in the sky in the months and years before Sputnik, according to one researcher.

NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...

NASA has scheduled a photo-dump of 3I/ATLAS images captured by the agency's fleet of ground and space instruments. You can ...

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

Skywatchers around North America will have a chance to see the Leonid meteor shower peak on Nov. 17. Since the moon will be ...

This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, ...