geology

a planet against a blue background is exploded in layered hemispheres resembling clouds, an ocean, an amber layer and a core

Research

A clue to what lies beneath the bland surfaces of Uranus and Neptune

Layers of water and hydrocarbons that, like oil and water, don't mix can explain planets' unusual magnetic fields

dirty white glacier ending at blue lake with deep blue sky above

Research

Size of tropical glaciers at lowest point in at least 11,000 years

a mottled reddish blue disk

Research

With new, sharper optics, Arizona telescope captures rare images of Jupiter’s moon Io

a dinosaur skeleton next to a circular staircase

Campus & community

Losing track of (geologic) time at the UC Museum of Paleontology

a jumble of gray blobs are archaea

Like the Borg of Star Trek, these ‘aliens’ assimilate DNA from other microbes

photo of Yosemite Valley with Tenaya Canyon in center

How old is Yosemite Valley?

Geophysicist Harriet C.P. Lau wins Packard Foundation fellowship

lava fountains, Iceland

Mega-eruptions linked to most mass extinctions over past 500 million years

selfie taken by Perseverance rover in Jezero crater

Perseverance rover retrieves key clues to Mars’ geologic and water history

aerial view of striped glacier terminating in the ocean

Model pinpoints glaciers at risk of collapse due to climate change

graphic showing major part of monsoon over Mexico

Summer rains in American Southwest are not your typical monsoon

image of lopsided growth in Earth's core

Is Earth’s core lopsided? Strange goings-on in our planet’s interior.

fragments of 120,000-year-old ostrich eggshells

Discarded ostrich shells provide timeline for our African ancestors

artist's concept of rover on Mars

For some scientists, Mars 2020 is a mission of perseverance

2019 landslide in Sausalito hit homes

In predicting shallow but dangerous landslides, size matters

an eruption of Steamboat Geyser

Reawakened geyser does not foretell Yellowstone volcanic eruptions