"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity ...

Finding life on Mars might be closer than we once thought, as NASA’s Curiosity rover has yielded promising data from the Red ...

NASA's Curiosity rover has identified more organic compounds on Mars as scientists strive to learn whether the Red Planet ...

Organic compounds found in a Martian crater contain building blocks of life, according to a new study.

NASA's Curiosity Mars rover took this selfie at a location nicknamed "Mary Anning" after a 19th century English ...

An experiment hinted at the presence of another organic compound that bears a structure similar to precursors to DNA. Read ...

NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered ...

The findings suggest Mars can preserve the kind of molecules that could point to proof that life once existed on the planet.

NASA's Curiosity rover has identified more organic compounds as scientists investigate any potential ancient life signs on ...

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have ...

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried ...

By Will Dunham WASHINGTON, April 21 (Reuters) - Performing a type of experiment never before tried beyond Earth, NASA's ...