People around the world keep goats, sheep, llamas and other ungulates as pets and livestock. Yet very little is known about how these animals think and perceive the world. Alina…

Vaccines have made the world a much safer place — especially for children. Before vaccines, many kids suffered from debilitating or deadly infections. Such horrible illnesses included measles, polio and…

Parrots are natural chatterboxes. Small parrots known both as parakeets and as budgerigars make this chatter in ways remarkably similar to the way we do it. Researchers shared the new…

When you break a bone or scrape an elbow, your body calls in healing cells. That S.O.S. takes the form of an electrical signal. A new gel that oozes like…

Fishing is a way of life for people who live on the floating villages of Cambodia’s Tonle Sap Lake. These Southeast Asians depend on fish that migrate in and out…

A little-known element is shedding light on the birthplaces of enslaved Africans sent to other continents. From the 1400s to the 1800s, more than 12 million Africans were sold into…

Getting hit by lightning is not usually good. But one tropical tree seems to invite heaven’s wrath. In fact, it can benefit from a powerful electric jolt or two. The…

Columbus, Ohio — When you imagine a robot, slithery snakes and huggable koalas may not come to mind. But innovative teens have been using “soft” robotics to create such bio-inspired…

Interstellar medium (noun, “IN-ter-STEH-ler MEE-dee-um”) The interstellar medium is the gas, dust and radiation filling the space between stars within a galaxy. Interstellar space refers to the regions between stars.…