Mom was right about washing the greens: Researchers believe peaks and valleys in leaves could be key to numerous bacterial outbreaks involving leafy green vegetables.

Biologists discover gliding, hunting arachnids in South American forests.

The drought is tightening its grip on California agriculture, squeezing about 30 percent more workers and cropland out of production than in 2014, according to the latest drought impact report by UC Davis.

Warmer-than-usual waters in the North Atlantic contribute to both phenomena.

Can video games be an effective teaching tool in the classroom? UC San Diego computer scientist Sarah Guthals believes they can be. With her startup ThoughtSTEM, she’s working with teachers to bring computer science into the K-12 curriculum.

UC San Diego researchers use a minuscule device for tracking speed and mileage to stop a sports car in its tracks.

International team with multiple UC researchers pinpoints young, giant planet with characteristics shared by those in our solar system.

The insects smell “ant body odor,” helping them distinguish intruders from safe fellow-ants in their colonies.

They gather in groups, scare their prey, and get far more intimate than most other sea creatures.

In competition for mates, males recognize the distinctive calls of their rivals and avoid costly fights by remembering who's dominant.

Researchers are closer to discovering the genes involved in the creature’s ability to change skin color and texture, and to move its eight arms independently.

With tree canopies burned away, recovering landscapes become home to transplants like manzanita and monkey flower.