Fossils of biggest snake ever found: T Rex size

It was the mother of all snakes, a behemoth as long as a school bus and as heavy as a Volkswagen Beetle...

UCSF customizes medication to genes, lifestyle

It started with a headache that wouldn't go away. Joanna Diaz found her way to a neurologist and...



Bay Area brims with fun places to learn science

This is the "Year of Science 2009," and from the moment in his inaugural address when he promised to restore science to its rightful...

Chronicle 2.3.09 4:00 AM

Alaskan volcano not ready to erupt - yet

Groans and steam emanated from Mount Redoubt on Sunday, but the volcano showed no dramatic burst of energy, geologists monitoring the...

Chronicle 2.2.09 4:00 AM

Mired in creationism

Editor - In regard to "Restoring the nation's faith in science" (Jan 26): I am appalled that only 40 percent of Americans accept...

Chronicle 2.1.09 4:00 AM

Stem cell board awards, then delays, new grants

The governing board of the California stem cell agency tentatively approved $58 million in new grants Friday, but with the nation in...

Chronicle 1.30.09 5:15 PM

Mars rover may be feeling its age - finally

Spirit, the aged and somewhat creaky Mars rover, is stalled on the Red Planet with a touch of bewilderment, but earthbound engineers...

Chronicle 1.30.09 4:00 AM

A future for stem cells

As President Obama continues his welcome sprint past former President George W. Bush's policies - goodbye gag rules, torture...

Chronicle 1.30.09 4:00 AM

Exoplanet runs hot and cold in wild orbit

UC Santa Cruz scientists have discovered a huge, hot, gassy planet that goes through wild temperature changes in a matter of hours as...

Chronicle 1.28.09 5:48 PM