The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They are etched into a single, oddly speckled rock in an ancient riverbed, where ...

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Taking a new look at a very old mudstone on Mars, scientists believe they have found a potential biosignature, indicating that Mars may have once hosted life. In July of 2024, while exploring an old, ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

CAPE CANAVERAL, Fla. — NASA says a rock sample collected by its Perseverance Mars rover in the Jezero Crater may contain evidence of ancient microbial life on Mars. The rover discovered a rock ...

A 3.5-billion-year old rock discovered on the Red Planet is "the closest we've come to discovering ancient life on Mars," according to NASA. Potential signs of microbial life were found in a rock ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

NASA's Perseverance rover has been exploring Mars' Jezero Crater since 2021 with the primary objective to investigate the environments that could have supported life in the past on the Red Planet. In ...

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 ...

It’s an age-old question. Was there ever life on Mars? Earth just got closer to an answer — maybe. A rover built and managed in Southern California, with a mission to understand the Red Planet has ...