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Evolution Jul 3, 2026

Songs play a greater role than plumage color in limiting bird hybridization, study suggests

When trying to attract and recognize potential mates, animals are known to rely on various signals, traits and behaviors. In the case of birds, these signals can typically include a wide range of sounds—such as trills, whistles, ...

Plants & Animals Jul 3, 2026

Bottlenose dolphins in the Adriatic Sea seem to be heavily reliant on trawlers for food

Bottlenose dolphins in the Adriatic Sea are spending much of their time following trawlers to scavenge for food, scientists say. The Adriatic seabed has been plowed by bottom trawlers for decades, resulting in ecosystem damage. ...

Evolution Jul 1, 2026

Climate resilience of brown bears over 175,000 years revealed in 3D analyses of their jaws

European brown bears are masters of survival: These animals have weathered Pleistocene climate fluctuations and survived the cycles of ice ages and interglacial periods to the present day. Zoologists have now investigated ...

Environment Jun 23, 2026

Europe: the world's fastest-warming continent

The latest heat wave sweeping across Europe is a stark reminder that it is the world's fastest-warming continent, stretching into an Arctic that is heating at an even greater pace.

Environment Jun 9, 2026

How waves, ponds and green algae are accelerating sea ice melt in Antarctica

Picture sea ice in your mind. You probably imagine brilliant white, snow-covered floes floating on the surface of the ocean, home to penguins in the south of the globe or polar bears in the north.

Environment May 26, 2026

Why is Europe the world's fastest warming continent?

Europe, which is in the throes of a record-smashing heat wave this week, is the world's fastest-warming continent and stretches into an even more rapidly heating Arctic.

Ecology May 22, 2026

Human‑made chemicals are harming seals at the molecular level, study finds

Ringed seals are among the most common marine mammals in the Canadian Arctic. They strongly rely on sea ice as a habitat, breathing through holes they maintain in the frozen surface, giving birth in snow lairs and diving ...

Ecology May 20, 2026

Norway reports Europe's first case of bird flu in a polar bear

Norwegian authorities on Tuesday announced that avian influenza has been documented in a polar bear for the first time in Europe, in the Svalbard region in the Arctic.

Earth Sciences May 19, 2026

Brutal field trip provides new insights into Arctic winter

It was the hardest field trip they had ever been on, but the result was both surprising and exciting. After hiking 9 kilometers with a 400-meter elevation gain and carrying heavy backpacks through very rocky terrain, the ...

Plants & Animals May 1, 2026

Why do polar bears approach human infrastructure? The answer is more complex than we thought

Polar bears are intensely curious animals. That curiosity often brings them into contact with people and can put both species at risk from one another.

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