Animals

Animals

Surprise! Sixteen tiny wasp species found masquerading as one

Scientists used new and old tools to overturn 160-year-old ideas about this wasp. They show you can’t tell a wasp by its looks.

Animals

One of the earliest meat-eating mammals was saber-toothed

Millions of years before the evolution of saber-toothed cats, a newly discovered "hypercarnivore" prowled the forests of what is now San Diego.

Animals

Mosquitoes see red, which may be why they find us so appealing

Mosquitoes not only see colors, but also prefer certain ones, such as the hues of human skin.

Animals

The end of the dinosaurs appears to have come in springtime

Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

Animals

Analyze This: Birds may decorate nests to scare off rivals

Birds that nest in holes face stiff competition for nest sites. Some use feathers, also found where predators have made a kill, to keep rivals away.

Animals

Orcas can take down the largest animal on the planet

For the first time, scientists observed that orcas can kill blue whales by using the same hunting techniques that have worked on other large whales.

Animals

These flying robots protect endangered wildlife

Flying drones make conservation work much easier. Around the world, drones and artificial intelligence help scientists study or protect endangered animals.

Animals

Explainer: Cells and their parts

Life as we know it depends on the coordination of structures inside cells — whether a living thing has only a single cell or trillions of them.

Animals

La nutria soporta el frío, sin un cuerpo grande ni capa de grasa

Al mamífero más pequeño del mar no le es fácil mantenerse caliente. Ahora, los científicos han descubierto cómo sus células responden al desafío.

Animals

Dinos may have had the sniffles 150 million years ago

A respiratory infection that spread to air sacs in the vertebrae of a sauropod dinosaur likely led to the dino's now-fossilized bone lesions.

Animals

Newfound ‘bambootula’ spider lives inside bamboo stems

A YouTuber discovered a new tarantula genus living in bamboo near his home in Thailand. It’s the only tarantula known to choose such a habitat.

Animals

A new drug mix helps frogs regrow amputated legs

The treatment helped frogs grow working limbs useful for swimming, standing and kicking. It’ll be a while before people can do that.