When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

Since at least the early 2000s, Elon Musk has been obsessed with the idea of colonizing Mars, a hostile and arid planet tens of millions of miles away. In its earliest iteration, his plan was to ...

Recent high-resolution imaging of Mars has unveiled deep ‘scratches’ and craters that suggest the Red Planet once experienced an ice age. These geological features, which include eroded valleys and ...