On your mental number line, are the numbers smaller on the left or on the right? Two comparative cognition researchers explain how culture may influence the orientation – but also may not.

People who are trying to fish – or manage the ecosystems – in darker waters may need to adapt to different water conditions.

Many animals show signs of high intelligence, including strong memory, self-awareness and communication skills.

Elephants were found to gesture intentionally when they wanted humans to give them apples. This trait was thought to exist mainly in primates.

Mountain chickadees follow systematic grammarlike rules to share important information, stringing together syllables like words in a sentence.

Equipped with a rodent version of a Cybertruck, these driving rats reveal that positive experiences may sculpt the brain just as powerfully as stressful ones

Two tongue tips are better than one – an evolutionary biologist explains why snakes have forked tongues.

How researchers measure the logical reasoning of monkeys, pigeons, rats, fish and wasps shapes how they understand mental processes in animals − and in people.

Mountain chickadees follow systematic grammarlike rules to share important information, stringing together syllables like words in a sentence.