Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

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 ...

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 ...

Young Earth was a blue planet covered in oceans, much like today. But the atmosphere was a lethal cocktail of gases, with no ...

"We did the simplest thing that could be done — we just mapped them and pieced them together." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Light-colored rocks scattered across Mars have become a quiet clue to a louder story about the planet’s past. NASA’s Perseverance rover keeps finding pale pebbles, cobbles and even small boulders ...

NATIONWIDE — NASA announced on Wednesday that its Perseverance Mars rover may have found signs of ancient microbial life on the red planet. During a teleconference on Wednesday morning, acting NASA ...

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure sports a pair of smooth, rocky wings, which were likely "fluidized" by buried ...

NASA Associate Administrator for the Science Mission Directorate, Dr. Nicola Fox explains an intriguing rock that the Perseverance rover inspected named "Cheyava Falls." Credit: NASA Michigan fires ...