New research confirms that elephant trunks don’t just blow—they can also suck.

Determining who and what is or is not sentient is one of the defining questions of almost any moral code.

Within hours of hatching, these baby birds can learn concepts like “same” or “different”—and they do so faster than human infants.

Our microbiomes winnowed when we swapped hunting and gathering for cities—and a few months in a zoo will do the same to a monkey.

Scientists solved a longstanding mystery about the sweetness of nectar that likely applies to humans too.