Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

F or the first time since 2022, skygazers Thursday-into-Friday were treated with a total lunar eclipse, which turned the moon ...

Stargazers on nearly one half of the world witnessed a total lunar eclipse overnight, as a rare cosmic lineup caused the moon ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...

Astronomers using a cutting-edge adaptive optics instrument, MagAO-X, have captured unprecedented images of young planets ...

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

In February 2025, conditions were just right to catch a "planetary party" above the European Southern Observatory's (ESO) ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

Space probe Hera passed Mars while on its way to the Didymos asteroid system as part of planetary defence mission.

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...