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 ...

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

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

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 ...

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

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 ...