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Melting sea ice and starvation could push polar bears to extinction by the end of the century, according to an article published in 'Nature Climate Change'.

In recent decades it has been observed that the coldest and deepest water in the oceans has been disappearing and experts wonder why.

Despite the fact that the first observations of sexual behavior between two females or between two males date back to the 18th and 19th centuries, for decades it was a poorly studied reality that science did not dare to rigorously address.

Although animals are known to feel pain, it is not yet clear how they do it. Is it a purely physical issue or does it also have an emotional component, such as the suffering of human beings?

Butterflies are one of the most striking and mysterious animals that exist in the world. And to find them in a wide variety of colors, sizes and shapes, you don't have to travel to remote places.

These small mammals are very long-lived, as they can live up to 15 years. So are the new species:

We have some bad news for you: there is no way to know for sure if a volcano has finished erupting or will enter it again. So what are scientists referring to when they talk about active and dormant volcanoes?

A researcher at Flinders University has captured one of Australia's leading plant pollinators.