For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may also be among the most promising places to search for signs of past life.

Can you teach an old Mars rover new tricks? NASA says the answer is a resounding “yes.” Following its landing on Mars 13 years ago, Curiosity has been given new capabilities, allowing it to do science ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a tantalizing venue for humankind’s search for life beyond Earth. Mars today ...