Whenever astronomers detect something new moving through our region of space, like an interstellar object or an unusual asteroid, somebody somewhere claims it could be an alien interstellar space ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

The European Space Agency's (ESA) JUICE spacecraft launched atop an Ariane 5 rocket from French Guiana in April 2023. The ...

It is too late to visit the interstellar comet 3I/ATLAS, but successors are within reach. This has been confirmed by a ...

A space instrument built by the University of Colorado Boulder will launch aboard a NASA spacecraft on Sept. 23 to detect and ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

NASA's Parker Solar Probe has flown into the Suns corona. Structures known as coronal streamers and the Milky Way can be seen in the footage it captured. [NASA's Parker Solar Probe has touched the sun ...

OAKLAND, Calif. (KGO) -- Something truly awe-inspiring will take place just hours from now. For nearly a decade, NASA's New Horizons Space probe has been flying toward Pluto and it is now very close.

On Sept. 14, 1959, the Soviet probe Luna 2 -- known informally as Lunik 2 -- became the first Earth-launched space vehicle to ...