A new study found that a pachyderm skeleton, dismissed for decades as unimportant, offers evidence of careful planning, ...

The Grand Canyon has long been seen as one of the most striking natural landscapes on Earth, yet its origins remain ...

Twelve years into its climb up a Martian mountain, NASA’s Curiosity rover has hit a geochemical jackpot. A thin band of ...

Researchers say the ancestral Colorado River formed an ancient lake in northern Arizona roughly 6.6 million years ago, which ...

More than a billion years ago, a shallow basin in what is now northern Ontario held a subtropical lake. The setting likely resembled modern Death Valley, where heat drives evaporation and leaves salt ...

The study says the Colorado River took a convoluted path as it carved the canyon — and got help from an ancient lake.

Add Yahoo as a preferred source to see more of our stories on Google. An ancient lake that once existed at Death Valley National Park has reemerged after record rainfall in the region. Several inches ...

A groundbreaking underwater archaeological mission has confirmed the existence of a submerged Maya settlement beneath the waters of Lake Atitlán in the Guatemalan highlands, reframing the site from ...

An ancient lake that once existed at Death Valley National Park has reemerged after record rainfall in the region. Several inches of water have formed in Badwater Basin, which lies at 282 feet below ...