These moons are named for two sons of the Greek ... lots of evidence suggests there were once oceans and rivers all over Mars. Lines carved into rocks show where water once flowed, and there ...

A new image has emerged of the Red Planet rising above the lunar limb after being occulted by the moon in January.

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a ... current volcanic activity on Mars and Venus may not be so far ...

Mars has two, Jupiter has 95, Uranus has 28 and Neptune has 16, for a total of 142 moons. We only need to discover ten more moons around Saturn to give it double the number of all the other ...

President Donald Trump's nominee to lead NASA, entrepreneur Jared Isaacman, faced questions from senators on Wednesday about ...

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

On a flyby of Mars, the European Space Agency (ESA) captured a rare photo of its second moon - but what do we know about it? It's called Deimos, and is much smaller and more mysterious than Phobos ...