Today, Mars is known as the red planet, for its rust-colored desert landscape. Once upon a time, Mars was a very different ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ...

New research has mapped 16 extensive, interlaced river systems on Mars, dating back approximately 3.7 billion years to the Early Hesperian Period. These large river systems, despite covering only ...

The groundbreaking discovery points to the possibility of past life on Mars. A 3.5-billion-year old rock discovered on the Red Planet is "the closest we've come to discovering ancient life on Mars," ...

Scientists suspect that the surface of Mars was once teeming with water, a lush oasis full of river systems and lakes — until a dramatic change in the planet’s magnetic field caused it to lose most of ...

Freshly uncovered evidence collected by a NASA rover tasked with exploring Mars has skyrocketed the possibility of life existing on other planets, RadarOnline.com can reveal. The Mars rover ...