Hyperarid core of the Atacama Desert.

Life in world’s driest desert seen as sign of potential life...

Diverse mineralogy exhumed from the Martian subsurface: A false color image from the HiRISE instrument aboard NASA's Mars Reconnaissance Orbiter shows amazing diversity of rocks exhumed from the Martian subsurface a meteor impact in the Nili Fossae area.

Did surface life evolve on Mars? scientist makes key discoveries in...

Bacteria survive in the harsh conditions of the Andean lakes of Argentina among high concentrations of arsenic.

Arsenic and permafrost microbes help hunt for life on Mars

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter.

Steep slopes on Mars reveal structure of buried ice on Red...

This image from NASA's Mars Curiosity rover shows the Amargosa Valley, on the slopes leading up to Mount Sharp on Mars

Ice shapes the landslide landscape on Mars

This HiRISE image cutout shows Recurring Slope Lineae in Tivat crater on Mars in enhanced color

Water On Mars? : Previous evidence of water on Mars now...

Microbes Leave “Fingerprints” on Martian Rocks

Study shows how water could have flowed on ‘cold and icy’...

Mars study yields clues to possible cradle of life

New light shed on how Earth and Mars were created

Hot rocks, not warm atmosphere, led to relatively recent water-carved valleys...

Rover findings indicate stratified lake on ancient Mars

Rivers on three worlds tell different tales

Mars volcano, Earth’s dinosaurs went extinct about the same time

Paleolake deposits on Mars might look like sediments in Indonesia

New evidence for a water-rich history on Mars

More Earth-like than moon-like

Evidence of 2 billion years of volcanic activity on Mars

New evidence for a warmer and wetter early Mars

Meteorites reveal lasting drought on Mars

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