South America is home to areas of incredible landscapes worthy of paradise —from imposing glaciers and Edenic lakes to impressive waterfalls and beaches with a marvelous blend of sea and sand. These ...

Our planet is filled with breathtaking places that remain hidden from most travelers, yet they hold some of the most awe-inspiring landscapes imaginable. Banff National Park in Canada, the oldest ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

Humankind's tangled shrub of ancestry now has a new branch: Researchers in the Philippines announced today that they have discovered a species of ancient human previously unknown to science ...

From the Făgăraș Mountains of Romania to the teeming sea cliffs of St Kilda in Scotland, Europe is still home to staggering displays of summer wildlife. Whether you’re searching for sperm ...

To the Navajo and other Indigenous people, these lands served as a seasonal migration path, sacred grounds, and even a playground of sorts. “My cousins and I would come out here and camp and ...

When Homo sapiens appeared some 300,000 years ago, at least six other human species already shared the planet. Here, in the studio of paleoartist John Gurche, are model representations of those ...

TheStausee-Tafeltourtrail is part of the larger eco-friendly Saar-Hunsrück Steig, a long-distance hiking trail that spans roughly 250 miles in the western part of Germany.

Scientists just confirmed a 30-foot void first detected inside the monument years ago. Here’s the technology that helped scientists find it—and what it may have been used for.

The love songs of these Panamanian frogs is a dinner bell for fringe-lipped bats. But how do they learn which frogs and toads are safe to eat and which are poisonous?

Sandiegouniontribune.com covers local news in San Diego County, CA, California and national news, sports, things to do and the best places to eat, business and the San Diego housing market.

As part of the Fair-Tastic Foods Competition at the San Diego County Fair, two Union-Tribune ...