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Implanting cows with the embryos of genetically superior heifers is big business these days. It's helping elite cattle breeders and beef and dairy producers spread U.S. cow genetics around the globe.

A play based on interviews with former NFL players, their families and fans digs deep: What's so fun about a sport that devastates bodies and brains? And what if it can't be made safer?

UC San Diego has won part of a grant that will help researchers understand how the mind of a cybercriminal works by taking apart computer scams bit by bit.

Republican state Assemblyman Rocky Chávez's name recognition is low and many observers believe his candidacy for Barbara Boxer's U.S. Senate seat in 2016 is a long shot. So who is showing up to support him?

Scripps professor Erica Ollmann Saphire will lead a team of researchers from around the world to develop a treatment for the deadly Ebola virus.

New York Gov. Andrew Cuomo was expected to cruise to victory in next Tuesday's Democratic primary. But he faces a surprisingly vigorous challenge from the left.

As the EPA develops new carbon emission rules for existing power plants, the agency is holding a series of public hearings around the country where coal industry advocates made their concerns known.

The Brown-Kashkari debate gave off some heat, but did it enlighten voters? Carol Kim and Chris Cate both want the same City Council seat. The Bureau of Land Management uses an incomplete and flawed study to OK fracking in California. Chula Vista Elementary ignores state law when it tests students.

The U.S. Preventive Services Task Force says there's not enough evidence to know if routine testing for cognitive impairment in older people helps or hurts. So patients have to decide on their own.

When Bob Smithson could no longer breathe on his own and surgeons wanted to operate, his doctor decided to take a chance on a different treatment. That decision gave Bob another chance at life.