Lake Powell’s retreat is revealing a lost world covered in deep piles of sedimentary sludge. A group of adventurers and ...

In September, scientists revealed the tilcayo, a new wild cat. Then came donations, awards, and a few strange phone calls.

From a black bear relaxing in a swimming pool to bonnet mushrooms glowing up the night sky, see some of the winning photos ...

For over a century, tourists have discarded objects into the park’s hydrothermal features. Park staff try to remove as much ...

The allure of the skies is nothing new. For all of human history people have looked up to the inky blackness of night and marvelled at the stars. Yet true darkness just isn’t something Europeans ...

Looking at the horizon, I quickly count how many hills separate the lake I’ve just taken a dip in from the mountain farmstead cabin I should reach by noon. Squelching my way through dewy cranberry ...

Scientists have spent decades trying to get medicine across the blood-brain barrier. Two treatments for a rare genetic ...

You can see them surging from the shore: a dark band across the water, a stream of silver fish paralleling the beaches along Florida’s Gulf and Atlantic coasts. For several weeks each fall and winter, ...

Home to Mount Constitution, the highest point in the archipelago, it is a paradise for hikers, bikers, kayakers, and whale ...

Europe has no shortage of food and drink festivals, from Spain’s La Tomatina, when a sea of crimson tomatoes flow down the streets, to Oktoberfest, where tall glasses of Festbier are raised into the ...

A new class of medicines offers steadier protection with fewer injections, while gene therapy is beginning to test the promise of a one-time treatment.

In Borneo, where El Niño is fueling devastating wildfires, critically endangered orangutans are becoming burn victims.