Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

A major breakthrough in space science has revealed the age of the Moon’s biggest and oldest crater—the South Pole–Aitken (SPA ...

You don't have to travel far to see some of the world's most stunning natural wonders. From shimmering turquoise lakes to majestic mountaintops, these are the places in each state that are sure to ...

Homeless people seen exiting of a cave dug along the American River Parkway in Sacramento County have raised questions about ...