Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

"When people find out about that they're going to say 'who put that there?'," Buzz Aldrin once said of the monolith.

On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars. This was the last space mission ...

Phobos is unlike any other moon—tiny, close to Mars, and on a ticking clock. Could we actually preserve it before it’s gone ...

It's a tiny, irregularly shaped moon and smaller than Mars' other moon, Phobos. Despite being unspectacular, Deimos remains a fascinating mystery. Deimos is one of only three moons in the inner ...

The exploration of Mars' moons, Phobos and Deimos, has gained significant attention in recent years, particularly with the upcoming Martian Moons eXploration (MMX) mission led by the Japan ...

DEADLY space radiation and rapid outbreaks of disease are just a few of the official Nasa dangers that visitors to Mars will face. The space agency holds a list of “five hazards of human ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

For example, Mars is orbited by two tiny potato-shaped moons called Phobos and Deimos, which are likely two asteroids that were captured by the red planet’s gravity. But that type of formation ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and ...