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 ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

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) ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

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.