Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views ...

The method, developed by researchers at the State University of Campinas in Brazil, uses images of dune surfaces to estimate ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

For adventurers who’ve checked off Earth’s extremes, a new frontier offers an opportunity to be part of history.

Fragments of a rare type of meteorite have been found in the sample of material brought back from the lunar far side by China ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

But a mysterious feature made astronomers consider a parallel with the Dune planet, gullies carved in Martian sands looked dug by giant sandworms. Is Shai-Hulud behind the Martian mystery? Of course, ...

In 2013, NASA discovered a bacteria evading its most stringent disinfections. Scientists just figured out how it does it.

A spacecraft approaches the lunar pole, spits out a pod from which sprout several tubular arms it uses to bury itself in the soil, where it begins growing plants in preparation for man's return to the ...