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.

“Most planetary collision scenarios are classified as ‘hit and run’ or ... For example, Mars is orbited by two tiny potato-shaped moons called Phobos and Deimos, which are likely two ...

It was intended for a journey to Mars and its moon Phobos. As per the UK Space Agency ... The risk of any debris hitting Watford was assessed as extremely low. This incident came after similar ...

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

Deimos is Mars' outer moon. 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 ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, researchers think they have a good explanation for a warmer, ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...