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

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 ...

Travel expert Rick Steves loves this hidden gem cave system in Slovenia full of fascinating formations. Here's what to expect ...

ANN ARBOR—Ancient Homo sapiens may have benefitted from sunscreen, tailored clothes and the use of caves during the shifting ... how excursions might affect us in the future.

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

Holes such as this are of particular interest because they might be portals to lower levels that extend into expansive ...

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life.

Sparsely populated areas in the Jordan Valley have come under increasing pressure from settlers who have begun grazing large ...

Additionally, ancient humans may have ramped up their use of ochre. This naturally occurring pigment is composed of iron ...

Learn more about the Middle Island Sinkhole, an under water sinkhole with no oxygen.

The bones show people were coming over the mountain tops to trade, says an archeologist working with K’ómoks First Nation ...

Adventure thrillers (movies) have a unique charm—blending heart-racing suspense with breathtaking landscapes and adrenaline-pumping chases. From hidden treasures and mythical creatures to high-stakes ...