Research

an orange star is stretched out to loop around a dark oval at the center of a pink swirling mass

Research

Not one, but two massive black holes are eating away at this galaxy

UC Berkeley astronomers found a stealth black hole that is a companion to the massive black hole in the galaxy’s core. One day, the two might merge and produce a ripple of gravitational waves.

A lone wolf walks through yellow grassland

Opinion

What we really need in the fight against extinction

Anastasios Angelopoulos (L) and Wei-Lin Chiang, founders of Chatbot Arena.

People

As companies pour billions into AI, a ranking system by UC Berkeley students has all eyes on it

Emily Thompson, clad in a cap and gown, holds her 2-year-old, Caspian, also wearing a small gown, while her other kid, River, stands next to her. She's smiling widely.

Arts & culture

After wilderness therapy, this graduate found her own path at UC Berkeley

smiling woman with white hair and glasses wearing a mustard blouse with black jacket

Planetary scientist Lindy Elkins-Tanton to head Space Sciences Laboratory

Water pours from an outdoor faucet into a cupped hand.

Study finds stored drinking water can spread harmful bacteria

The dome of the California state capitol in Sacramento, with flags

Good news, bad news, in report on the state of California democracy

Dense housing in San Francisco

Berkeley Talks: In 1970, one in five Americans moved every year. Now it’s one in 13. What changed?

An illustration showing purple, rod-shaped bacteria against a swirling blue background.

UC Berkeley research reveals the not-so-secret life of gut bacteria

a woman with dark hair and glasses wearing a blue and yellow feathered earring

Indigenous knowledge helps biotech find new drugs. This grad student wants those companies to give back.

an ob/gyn uses an ultrasound and points toward a fetus on a screen

State abortion bans haven’t led to mass exodus of OB-GYNs, study finds

an illustration of two people hugging, both using devices over the other person's shoulder

Science of Happiness: Why going offline might save us

Ann Johnson sits in her wheelchair with a cord plugged into a neuroprosthesis implant while she participates in a clinical trial helping to restore her ability to speak with a brain-computer interface

Berkeley Voices: A stroke left her ‘locked in.’ With the help of AI, she heard her voice again.

A farmer stands in a corn field and inspects a stalk of corn.

New tool helps protect corn farmers and insurers from future climate extremes

Artificial leaf uses sunlight to capture carbon and produce valuable chemicals

Watch as traffic safety research is explained in 101 seconds

All Research