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

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 ...

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 ...

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 ...

Life on Earth may have started twice. Bacteria and archaea, the two oldest branches of living things, each finished the ...

Fruit was disappearing from a parasitic plant in southern Japan, sometimes nearly an entire plant’s worth overnight. Ants seemed like the obvious culprits. They weren’t. Time-lapse cameras caught land ...

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.

Most people assume that only modern humans, Homo sapiens, bury and honor their dead in ritualistic ceremonies. Yet the oldest ...

A Jupiter-sized planet that survived the death of its star is about 260°F, hotter than boiling water. The burned-out star it ...