In Southern California, the biggest single threat to the animals' survival is Homo sapiens.

Without enough shut-eye, a smile can look more like a scowl. And the price for that mistake can be high.

Perception is strongly influenced by prior knowledge, lending credence to the theory that the brain does not faithfully represent the environment but rather attempts to predict it.

Dairy makes a positive difference in how effective probiotics can be.

Mice engaged in stimulating activities were less likely to seek out cocaine.

Research team reports first direct measurement of geothermal heat flow rising from deep within the Earth to the bottom of the ice sheet.

Public policy scholar chronicles shift to smarter approaches to crime and punishment.

Researchers call for balancing commercial extraction of deep-sea resources with protection of diverse seabed habitats.

Ever wake at night and find your way through the house without stubbing your toe? There's a region of the brain that enables you to do that – and generally helps you navigate the world.

Study: Sexual and gender minorities are overrepresented among homeless youth.

Engineered cartilage surfaces hold promise for treating damaged spinal discs.

Physicists use graphene to build lightweight ultrasonic loudspeakers and microphones, enabling people to mimic bats or dolphins’ ability to gauge distance and speed by using sound.