NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

The latest data from NASA’s robotic explorers on Mars has revealed a signal that does not fit neatly into any category ...

In a quiet riverbed carved into the Martian surface, a patch of layered stone may hold a clue to one of science’s most enduring questions. The landscape is dry and inert now, shaped by winds and time, ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

This discovery adds a new dimension to the geoscience of Mars and opens up new possibilities for the search for life outside ...

MRO used a special maneuver that rolls the spacecraft over 120 degrees. This enhances the power of SHARAD, which is MRO’s ...

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Scientists have identified eight mysterious water-shaped caves on Mars, unlike volcanic tunnels, raising fresh hopes these ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations ...

NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade. Maven abruptly stopped communicating to ground stations over the weekend.