It goes like this: beneath the ground is thick permafrost — a jumble of soil, rocks and sediment held together by ice.

A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer ...

New research suggests Saturn’s moon Titan may possess a crust of methane ice that warms its interior, promoting the ...

A six-mile-thick crust of methane trapped in water ice could explain many of the saturnian moon's weird properties ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, reports a research team. This type of ...

There’s plenty on Trump’s wish list to worry about. But here's a look at which things are worth losing sleep over and which ...