The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...

Before 1914 wars had mainly been fought by cavalries (soldiers who fought on horseback). But both sides in World War One soon realised the muddy ground, barbed wire and machine guns made it too ...

Animal physiology is the scientific study of the life-supporting properties, functions and processes of animals or their parts. The discipline covers key homeostatic processes, such as the regulation ...

February 10, 2026 • The ability to imagine — to play pretend — has long been thought to be unique to humans. A new study suggests one of our closest living relatives can do it too.

Here authors find a latitudinal migratory divide in a butterfly across Earth’s hemispheres, highlighting how hemisphere-specific seasonality and navigational cues shape migratory strategies. They find ...