Fruit was disappearing from a parasitic plant in southern Japan, sometimes nearly an entire plant's worth overnight. Ants ...

Dogs have lived beside people for thousands of years, but modern breeds tell only the newest part of that history. Today, ...

Summer rain over India and the plankton blooms that feed fish in the Arabian Sea do not answer to the same sun. Rain over the ...

Today's Image of the Day from NASA's Jet Propulsion Laboratory shows a landscape on Mars unlike anything the Curiosity rover ...

Smell rarely moves through outdoor air as a steady stream. Wind breaks an odor cloud into shifting ribbons and gaps, so an animal may catch a burst, ...

Sharing a valuable food can do more than satisfy hunger. In many human hunter-gatherer communities, a successful hunter can support close family members while also showing the ...

Fever is a familiar part of illness in people and many other animals. Raising body temperature can help the body respond to infection, but animals that depend ...

Deep-sea vent metals may have helped early cells run essential chemistry before they could survive on their own.

Northern American mammals settled into Mexico about 10 million years ago, long before any land bridge had formed. Almost none ...

Today's Image of the Day from the European Space Agency takes us 7,500 light-years from Earth, where a dark cloud of gas and ...

Orangutans are known for living more solitary lives than other great apes. Adult female orangutans usually travel through the ...

At a solar farm beside Volkswagen Poznań’s factory in Września, western Poland, the maintenance crew now includes a flock.