By varying the initial inventory of volatile elements in a model of the geochemical evolution of rocky planets, researchers obtained a wide range of outcomes, including several scenarios in which a lifeless rocky planet around a sun-like star could evolve to have oxygen in its atmosphere. Credit: Illustration by J. […]

UC Santa Cruz researchers published a new study — in collaboration with UC Water and the Sierra Nevada Research Institute at UC Merced — that suggests covering California’s 6,350 km network of public water delivery canals with solar panels could be an economically feasible means of advancing both renewable energy […]

Satellite images show the dramatic reduction from 2008 to 2019 in the area covered by kelp forests (gold) off the coast of Mendocino and Sonoma Counties in Northern California. Credit: Meredith McPherson Most of Northern California’s kelp forest ecosystem is gone, replaced by widespread ‘urchin barrens’ that may persist long […]

A Hesperapis regularis bee visits a flower of Clarkia cylindrica at Pinnacles National Park. Credit: Tania Jogesh Study of flowers with two types of anthers solves mystery that baffled Darwin. Some flowers use a clever strategy to ensure effective pollination by bees, doling out pollen gradually from two different sets […]