A sea turtle has nested in California for the first time on record. Scientists moved the eggs to an aquarium ahead of high surf in the hope they hatch.

A blood test picked up 17 types of cancer in a study of nearly 36,000 adults, many at an early stage. Here is what it can and cannot do yet.

A pair of adopted biological sisters who had never met or had contact with each other were both left gob smacked when they stepped onto the softball field and spotted a familiar face on the opposing team.