An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

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

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

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 ...

Imaging suggests that a lot of the material coming off is in the form of dust grains. NASA indicated that two missions to ...

Interstellar comet 3I/ATLAS got an accuracy boost thanks to a Mars orbiter, giving scientists insights and stronger planetary ...

This image shows Euclid's capability to explore both our cosmic neighborhood and the deep universe beyond. A vast, ...

"This successful test marks a major step forward in the development of future satellite control systems." For the first time, ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...