The carbon dioxide concentration in our atmosphere recently exceeded 400 ppm for the first time. Ralph Keeling explains the consequences and addresses why time is of the essence.

Got a minute? That's all the time you'll need to get the rundown on climate change, thanks to researchers at UC Berkeley.

Scientists warn against the high risk of degradation of marine ecosystems and the human hardships that may result.

In its first months of operation, the APF has found two new planetary systems, giving astronomers a taste of planetary riches to come.

Such action could accomplish not only that but also increase fisheries' profits and yields.

New data on the deep-diving creatures include a record-setting dive more than a mile deep.

Top predators of the Southern Ocean are tied both to the health of the ocean ecosystem and to global climate regulation through a mutual relationship with phytoplankton.

A huge shift away from annual crops to nut trees has transformed the California farm belt over the past two decades and left farmers perilously vulnerable to the current severe drought.

UC Davis researchers flooded rice paddies to give young chinook salmon a spot to rest and feed as they migrate into the Sacramento-San Joaquin River Delta. The three-year experiment has resulted in a dramatic increase in the size of migrating juvenile salmon every winter of the experiment.

In Adam Gazzaley’s new lab, the brain is a kaleidoscope of colors, bursting and pulsing in real time to the rhythm of electronic music. He also wants this to lead to treatments for a variety of brain diseases.

Humans may think that grimace is genuine, but a computer-vision system can detect clues that give away the ploy.

A rapid succession of coronal mass ejections – the most intense eruptions on the sun – sent a pulse of magnetized plasma barreling into space and through Earth’s orbit. Had it hit, it could have disrupted our increasingly electronic lives.