Purple martins perch on a branch in the Brazilian Amazon.

Why Are Purple Martins Declining in the United States?

Mercury contamination in their Amazonian wintering grounds may play a role

Bottlenose dolphins swim in the Moray Firth Special Area of Conservation off Scotland. The photo was taken by an aerial drone.

In a First, Scientists Use Drones to Detect Pregnant Dolphins

Researchers say the new tech will help them better understand bottlenose dolphin reproduction

A spotted skunk does a handstand.

Scientists Identify Seven Species of Spotted Skunks, and They All Do Handstands Before They Spray

Researchers analyzed hundreds of spotted skunk specimens to classify the animals

Reconstruction of a titanosaur with ulcerations

First Evidence of Parasites in Dinosaur Bones Found

A team of paleontologists used CT scans and tissue samples to uncover blood pathogens in an infected titanosaur

On the right, corn plants inoculated with sugarcane microbes saw their biomass increase compared to those that were not inoculated (on the left).

How Sugar’s Bacteria Could Point the Way to More Efficient Agriculture

New research proves the power of beneficial bacteria and fungi that help sugarcane grow larger and rebound from stress faster

Bioluminescent "sea fireflies," a species of ostracod crustacean, covering the rocks on the coast of Okayama, Japan.

How Studying Bioluminescent Creatures Is Transforming Medical Science

The natural light of insects and sea creatures can help doctors illuminate H.I.V. and even kill cancer cells

One of the Dinizia excelsa or angelim vermelho trees, which can grow over 80 meters. The tallest, as measured by satellite, towered 88.5 meters above the forest floor.

Researchers Discover the Tallest Known Tree in the Amazon

Satellite images and a trek into the rainforest reveal a group of trees over 80 meters, or about 260 feet, and one as tall as 88.5 meters

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