Paleobiologists investigating Earth’s earliest life traditionally study tiny fossils or hardened structures made by ancient microbes. The oldest ones date to around 3.5 billion years ago. But the structures are exceedingly rare.

Pairing detailed analysis with artificial intelligence, a multidisciplinary team of scientists found fresh chemical evidence of Earth’s earliest life.

COLMA, Calif. - A 3.2 magnitude earthquake struck near Colma on Friday afternoon. The quake struck about 5:03 p.m. according to the U.S. Geological Survey . The earthquake prompted a handful of calls to the KTVU newsroom to report shaking as far as San Francisco, more than 10 miles away from the epicenter of the quake.

MUNISING, MI -- Outdoor enthusiasts and experts looking for an office with epic lake views over sandstone cliffs and winding paths through wild forests have an opening in the Upper Peninsula. The Pictured Rocks National Lakeshore is accepting applications for the 2026 and 2027 commercial operating season.

A crash involving a vehicle and two pedestrians has shut down the roadway near West Picture Rocks Road and North Sandario Road, according to the Pima County Sheriff’s Department.

Earth's earliest life left behind very few chemical traces. Fragile remains, like ancient cells and microbial mats, were buried, squeezed, heated, and broken apart by the planet's shifting crust before reappearing at the surface.

Minimal to no known threat to life or property

Green Bay Packers defensive lineman Micah Parsons sacks Detroit Lions quarterback Jared Goff for a 9-yard loss on Thanksgiving, giving him 2.5 sacks in the game.