About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by ...

On your next road trip through Oregon, make sure to stop by the surreal cave that features cathedral-like beams of light that ...

SUPERSTITION MOUNTAINS, Ariz. — Spring in Arizona is prime time for hiking — before the summer sun kicks into full blast. And if you're looking to squeeze in one more scenic adventure, the Wave Cave ...

A study by Mukhopadhyay and his colleagues in institutions in the US and Europe has bolstered support for the idea that these ...

NASA has found a large hole on Mars. This hole might lead to underground caves. Scientists think these caves could hold alien life. The US Geological ...

A team of NASA-funded University of Northern Iowa researchers is exploring some of the deepest caves in the United States to ...

A study suggests that Homo sapiens may have benefited from the use of ochre and tailored clothing during a period of increased UV light 41,000 years ago, during the Laschamps excursion.

Tucked between the blue-hazed peaks of the Shenandoah Valley waits a town where dogwoods bloom above centuries-old sidewalks, ...

Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...

The House budget includes $1.2 million to use drones for creating a 3D map to identify pollution sources threatening clarity ...

Whether you're drawn to geology, adventure, or simply the strange beauty of the underground, these seven caves are unforgettable stops that deserve a place on your U.S. travel map. Tucked beneath ...