The newly discovered fossil records suggest that mold-like single-cell organisms "set the stage" for the animal kingdom to evolve, the researchers wrote in a new report, published in the journal ...

The question of what non-human animals experience is front and center in the zeitgeist. The acclaimed book An Immense World, by science journalist Ed Yong, delves into the remarkable sensory ...

For more than 100 years, biologists have wondered why animals display different types of life cycles. Some species, like humans and most vertebrates, develop directly into a fully formed yet smaller ...

Animals have always shared our planet, our homes, and sometimes even our emotions. While humans often see themselves as more intelligent beings, animals possess qualities that remind us of what truly ...

Devon Ritter from the Memphis Zoo explores animal habitats. Devon Ritter from the Memphis Zoo explores animal habitats. She explains how the natural resources of the savannah, wetlands, rainforest, ...

Almost everyone who chooses to live with a companion animal (a.k.a. "pet") of any species will, at some time, face having to care for a sick, terminally ill, or dying individual. There are better and ...

Our new study reveals a different, often overlooked factor. Daily swings in oxygen levels on the shallow seafloor may have stressed early animals (the ancestors of all animal life today), pushing them ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. In the animal kingdom lifespans can stretch from mere hours to entire centuries, but that’s just the start. Some ...

Source: Vincent M.A. Janssen/Pexels. Many of the nonhuman animals (animals) with whom we share our homes and other landscapes are often mistakenly written off as being unimportant and disposable ...

Kali Holder, a veterinary pathologist at the National Zoo, is motivated by problem-solving and a passionate curiosity about nature. Image: courtesy of Kali Holder When an animal becomes endangered, it ...

It may not seem like mountains would host much wildlife, but in reality, various animals around the world test the limits of high-altitude living in these extreme environments. It takes a lot of guts ...