If scientists can understand how this mineral was formed in Antarctica, they might be able to trace signs of water on Mars.

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

How's the weather up there? On Mars, weather forecasts haven't always been right at our fingertips. Now, recent research from ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock in ...

Kaolinite is a soft, earthy, usually white, mineral produced by the chemical weathering of aluminium silicate minerals like ...

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences.

If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...

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

Astrobiologists in Germany are developing a new testing device that could help tease dormant alien microbes into revealing themselves — and its key ingredient is a common amino acid that’s found in ...

These rocks turned out to contain a mineral called kaolinite, which on Earth forms in warm, rainy environments or near hot ...

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