The move, expected Wednesday, would ***** California of its special authority to set tougher rules on car emissions. 

The bill, if signed by the governor, would mark a new way of giving women access to abortion as conservative states tighten restrictions.

Lobbying by celebrity opponents has drawn national attention to a measure that would make medical exemptions to vaccination harder to get.

In a letter signed by 17 industry giants including Ford, General Motors and Toyota, the firms asked Mr. Trump to go back to the negotiating table.

Instead of synthesizing new biochemicals from scratch, the Nobel Prize-winning chemist puts nature to the task — with astonishing results.

A state jury’s award for a Northern California couple followed awards in separate cases in March and August, and was the largest by far.

A former Navy officer who is now a New York Times reporter explains how the American military trains marine mammals for underwater operations.

Like other small farmers and researchers, Brad Gates is trying to ensure a future for the tomato by breeding hardier varieties and persuading more Americans to grow their own.

The Golden State Killer case was just the start. Hundreds of cold cases are hot again thanks to a new genealogy technique. The price may be everyone’s genetic privacy.

The jury found that Monsanto should be held liable for the man’s cancer because it failed to warn him about the herbicide’s cancer risks.