Climate change is taking a toll on the six countries of the Caucasus, causing glaciers to shrink and impacting river flows, ...

From petrified forests to a fiery crater burning for 50+ years, these eight geological phenomena reveal Earth's mysterious forces.

Hundreds of South Africans head to Tanzania every year to climb Mount Kilimanjaro. Here’s how to know if you should be among ...

A 2014 photo shows a massive, iceberg-littered pool of vibrant blue meltwater sitting alone on top of a glacier in Alaska.

Melting of glaciers in Uttarakhand could lead to apocalyptic consequences, including scarcity of water in the region.

Scientists are racing to find out whether rapid glacial melt could drive a surge in eruptions — and what that means for ...

Bordered to the south by the Yellowstone and Lamar river basins, the Northern Range contains about 20 black bears for every 62 square miles (100 square kilometers) of terrain. In comparison, most ...

A vital glacier in western Antarctica appears to be smoking in a rare view captured by a NASA satellite earlier this month. The so-called “sea smoke,” isn’t actually smoke, it’s fog ...

Here’s what else you might have missed during your busy day: 1️⃣ Living on the edge: Deep within the Arctic Circle, between ...

He said Huserka had "hit an angled surface after an eight-metre drop, then continued down a labyrinth into the depths of the ...

While sun-seekers crowd Mediterranean beaches and tourists swarm popular capitals, here are the hidden gems that we think ...