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 ...

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

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

Massive lava-carved tunnels have been confirmed beneath the surface of Venus, providing the strongest evidence yet that the ...

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 ...

Curiosity is exploring Mars’ boxwork terrain, where ridges and hollows may have formed from cementation and erosion. The ...

NASA’s Perseverance rover has uncovered strange chemical and mineral patterns in Jezero Crater’s Bright Angel formation that may be the strongest hints yet of ancient Martian life. The rocks contain ...