The discovery of the largest body of liquid on Mars has some scientists questioning if it provides the condition for life.

Mars was once much wetter than we ever imagined. Recent findings about inverted river channels in the Noachis Terra region reveal a surprising glimpse into the Red Planet’s distant past. Mars, known ...

LONDON (Reuters) - Mars may have once been both cold and wet, researchers said on Wednesday, suggesting a freezing Martian landscape could still have produced water needed to sustain life. There has ...