It's the latest development in a homicide case that continues to capture attention both in the U.S. and abroad.

For decades birth control research focused on women. Now there's a new push to develop gels, pills or other products that could keep men from getting their partners pregnant.

Bats and death metal singers have more in common than a love of the dark. A new study has found that some of bats' lower frequency calls appear to use a technique similar to death metal growling.

The operation is one of the largest mobilizations yet in President Nayib Bukele's crackdown on street gangs.