"Lac-Phe" grants obese mice the benefits of exercise — without exercising. But don't expect an "exercise pill."
It's not about leaves in tall trees.
For 40 years, scientists thought a specific gene was linked to aggression in hamsters. Removing it, however, had violent consequences.
The long-standing debate over whether dinosaurs were more like birds or lizards is drawing to a close.
Experimental archaeology is the practice of recreating past events using knowledge and tools available at the time. Sometimes, it involves elephants.
The plant-like sea creatures contain a molecule that improves memory, learning, and even hair quality, according to a new study in mice.
Some astrobiologists believe life is rare, while others believe it is common in the Universe. How can we find out which view is correct?
Now they're pointing the way to future battery technologies.
To the ancient Greeks, exotic animals were proof of mythological creatures. To the ancient Romans, they were oddities and adversaries.
Disgusting behavior is often crucial to survival.
From machines to animals, there are many kinds of possible minds.
Was there an intelligent, technologically advanced species long before humans existed? Could there have been a dinosaur civilization?
The apes taught sign language didn't understand what they were doing. They were merely "aping" their caretakers.
Symmetrical objects are less complex than non-symmetrical ones. Perhaps evolution acts as an algorithm with a bias toward simplicity.
Fish are surprisingly good in numbers tests — a skill that sometimes makes the difference between life and death.
There is strong evidence that invertebrates are sentient beings.
An emerging field studies parasites that take over the nervous system of a host.
There may be thousands of undiscovered mammal species in the world. Most are small, like bats and rodents, but there could be primates, too. A lifeline for Bigfoot enthusiasts?
Small spiders use their silk threads to passively fly, a process called ballooning. Learning how could help atmospheric scientists.