All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Mars may look like a dry and dusty world, but just beneath its surface lies one of the most surprising discoveries in ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

What if water and hydrogen don’t stay separated inside planets like Earth and Neptune? New research from UCLA and Princeton ...

The Medusae Fossae Formation of Mars has ice deposits over 2 miles deep, potentially providing vital water resources for ...

What if the insides of planets are more complicated than we thought? A new study from scientists at UCLA and Princeton ...

Simulations suggest that water can become a superacid under extremely high heat and pressure conditions. This may also ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Why are glaciers melting so fast, and why does it matter? Learn how glacier preservation is key to water security and climate ...