The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Scientists have found kaolinite, a mineral that forms in warm, wet conditions on Earth, raising serious questions about Mars’ ...

Scientists may have uncovered a promising new method to detect ancient life on Mars. A recent study suggests that microbial ...

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

Is there life on Mars? Fast forward to today, a new paper tackles and reconsiders the results of the Viking Biology experiments. "The discovery of perchlorate on Mars by the Phoenix mission has ...

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for ...

Studies on bacteria like Helicobacter pylori suggest that if life exists on Mars, it might resemble resilient microbes found in human stomachs. Scientists cont... Reports from NASA’s Curiosity ...

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the ...

Scientists have discovered kaolinite mineral on Mars, providing new evidence that the planet was once warm and wet.