A new batch of these ostentatiously coloured and popular arachnids is described in Australia.

Scientists find out more about the threats of plastic to thousands of fish, whales and other aquatic life.

Neanderthals were eating fish, mussels and seals at a site in present-day Portugal, according to a new study.

A tiny, 555-million-year-old seafloor creature reveals why our bodies are organised the way they are.

Across wild mammal species, females live over 18% longer than males because of genetics and environment.

Researchers observing the mammals saw them sharing regurgitated blood with their neighbours.

The species was uncovered during a watercourse survey being carried out in north Highland.

Measures to protect the jaguar and Asian elephant are being proposed at an international summit.

An expert identified the tiny gnats from tens of thousands of creatures caught in an insect trap.

The four killed by suspected electrocution include a pregnant female, a conservation group says.