Earth science

Theia and earth

Moon was produced by a head-on collision between Earth and a forming planet

UCLA research reconstructs massive crash, which took place 4.5 billion years ago.

Close to safety: U.S. launches smart quake alert prototype

White House plans to expand earthquake early warning system developed at UC Berkeley.

Redwood ferns

Drought hits redwood ferns hard, new study shows

UC Santa Cruz researchers find that extreme conditions test limits of plants and forest ecosystem.

John Cottle USCB

Rock star

A UC Santa Barbara geologist receives early career award from the Geological Society of America.

The air-quality monitoring network has sampling sites at nearly every national park — from Yosemite to the Grand Canyon and Smokey Mountains.

Government chooses UC Davis to monitor nation's fine particles

Crocker Nuclear Laboratory is now the prime contractor for both major federal fine particle air quality monitoring networks.

Mars ring

Mars will lose its largest moon, but gain a ring

Phobos will likely slowly lose orbit and be shredded into pieces that will surround the red planet.

students walking in rain

Forecast: cloudy

Predicting intensity, impact of this winter’s El Niño is complicated by unprecedented confluence of weather anomalies.

Zachariae Isstrom glacier

Massive northeast Greenland glacier is rapidly melting

Breakup of Zachariae Isstrom could substantially raise sea levels around the globe.

climbing rocks for samples - Antarctica

The coldest summer

A team of researchers in Antarctica is studying an ancient subduction zone to better understand the continent’s geologic evolution.

plant sprout

Life on Earth likely started at least 4.1 billion years ago

Researchers point to period much earlier than thought; also find evidence that the young planet was not dry and desolate.