NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

NASA’s Perseverance rover has found a never-before-seen dark rock named Skull Hill in Jezero Crater, offering new clues about ...

Yellowstone Caldera, the volcanic complex underneath Yellowstone National Park, is held at bay from eruption by a cap 3.8 ...

Skull Hill is a type of "float" rock — one that likely originated elsewhere and was transported to its current location.

This false-color satellite photo from 2014 shows the immense heat emanating from lava lakes at the summits of a pair of ...

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where ...

Scientists found complex volcanic rocks in Jezero Crater, hinting at ancient Mars life and geological history potential.

Perched on top of Santorini's sheer cliffs is a world-famous tourist industry worth millions. Underneath is the fizzing risk ...

Volcanoes have stirred human awe for thousands of years, with their bursts of fire and rivers of molten rock. Yet, beyond the ...

This striking red-sand beach is home to wild sea lions, rare birds, and elegant flamingos, and it’s unlike anything you’ve ...

UNESCO designated 16 new geoparks, bringing the total number of sites in the UNESCO Global Geoparks Network to 229 in 50 countries. The network ...