To better understand where magma gathers in Earth’s crust, researchers studied the Taupo Volcanic Zone of New Zealand, the planet’s most active cluster.

Charles Darwin puzzled over why ants come in such wildly different sizes. The question even made him doubt his theory of evolution. New research might explain why.

The fossils of Ledumahadi mafube suggest that it was the largest land animal alive 200 million years ago.

Whale watchers on a cruise out of Nova Scotia got a thrill when they saw 3 whales breach the surface, one after the other. “We did not drive them,” the cruise director commented.

On both September 19 and 23, Arctic sea ice dropped to its minimum extent of 1.77 million square miles (4.59 million square km). The 2018 minimum ties for the 6th-lowest in the satellite record.

A balloon mission flying over the North Pole captured 6 million images of these bright blue noctilucent clouds in their home in the upper atmosphere.

Dust storms, also known as haboobs, occur when winds from dying thunderstorms push downward and pick up sand and dirt across desert areas. Amazing pics and video from last summer’s haboobs in Arizona, here.