Even the balmy tropics may have once been crushed by colossal masses of ice.

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...

Buckle up for 48 straight hours of Wicked monopoly, Oprah's new "100 Questions Everyone Should Ask," and cult-fave prompt ...

Some minerals in lava could suggest water is nearby.

Until now, Antarctica was the only continent on Earth without any known amber fossils. But sediment cores taken from below the seafloor have revealed a tiny piece of fossilized resin holding fragments ...

The moon has a global dichotomy, with its near and far sides having different geomorphology, topography, chemical composition ...