The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

Blood Falls in Antarctica flows unpredictably with iron-rich, salty water. Microbes inside survive without sunlight.

Harvard scientists studying the mystery of water and life on ancient Mars believe they may have finally found a solution.

NASA’s Perseverance rover is making history by collecting handpicked Martian samples for future return to Earth. Scientists are eager to study these specimens to unlock secrets about Mars’ ancient ...

The Blood Falls is a key geological feature with the potential to advance knowledge and studies in subglacial hydrology.

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

Astrobiologists in Germany are developing a new testing device that could help tease dormant alien microbes into revealing ...

Chemotaxis, a process for chemically inducing movement in an organism, may be a crucial tool in the search for life on Mars.

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...