NASA has discovered signs of life on Mars in the form of organic carbon, sulfur, rust, and phosphorous in a canyon, and new ...

Mars may have released sulfur gases that trapped heat, shaped the climate, and created conditions for ancient life.

Mars has cloudy nights - but why? This exciting discovery on the Red Planet has helped scientists figure out a more complete ...

Scientists believe Mars was once much more Earth-like, with rivers, lakes, and possibly oceans, but the loss of its magnetic field left it exposed to solar radiation that stripped away its atmosphere ...

Here, the 'ice volcano' does not erupt molten rock, but rather 'ice magma' formed from a mixture of water ice, liquid brine, ...

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of ...

Was Mars once warm enough to support life? Scientists are still unclear about what the climate was like on Mars billions of years ago. However, there are some clues. A form of sulfur from active ...

Massive lava-carved tunnels have been confirmed beneath the surface of Venus, providing the strongest evidence yet that the planet's volcanic past created underground networks unlike those ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...

Scientists have presented the "first compelling evidence for the existence of lava tubes on Venus." And they're way bigger ...

How did this life survive? New research out of the University of Texas in Austin is revealing how an atmosphere may have ...

Are you leaving me?” my husband asked one night as he surveyed the contents of my closet, which were now on our bed. “What?” I replied. “No! Why would ...