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 ...

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

Being a scientist is much like being a lawyer. You painstakingly gather evidence to support an argument — though one rooted in the scientific method, not courtroom conjecture. According to new ...

A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature. Around a billion years ago, a region of ...

Researchers funded by the Biotechnology and Biological Sciences Research Council (BBSRC) at the University of Oxford have uncovered a clue that may help to explain why the earliest evidence of complex ...

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 ...

Animal life seemed to explode into a wide variety of new forms in the Cambrian period. Sun et al. (2002). National Science Review. via Wikipedia under CC By 4.0 Sometime before 520 million years ago, ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

I've followed Dr. Clive Phillips' wide-ranging career and his eclectic transdisciplinary views of animal welfare and animal-human relationships. Clive was Australia's first professor of animal welfare ...

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 ...