Have you ever looked at two circles of exactly the same size and sworn one was larger? If so, your eyes have been tricked by the Ebbinghaus illusion, a classic example of how context can shape what we ...

Scientists are concerned that the H5N1 virus could set off another human pandemic. But it is already putting species under pressure in the wild. By Emily Anthes Every spring, more than 200,000 ...

Like humans, wildlife is increasingly vulnerable as climate change fuels longer and more intense heatwaves, disrupting feeding and breeding, and in extreme cases proving fatal. - Fish - In fish, high ...

With the weather warming up, you might see lots of different animals show up in your yard for shade or water. Here are the ...

For animals such as fish and insects that can’t control their body temperature, heat waves could be particularly detrimental.

With flashy feathers and fancy moves, birds of paradise are already known for extravagant looks. But a trick that boosts that zing has been overlooked by science, until now. In the right light, ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...