Traces of a toxic chemical found on 60,000-year-old arrowheads hint at advanced planning by Palaeolithic hunters.

Each year, I look forward to writing the Glad You Asked column that reflects on the previous year’s accomplishments. It would ...

A new study suggests Alzheimer’s research may soon move beyond hospitals, using nothing more than a few drops of blood ...

Scientists are testing a new kind of defense against the deadliest drug in the U.S. overdose crisis: a vaccine designed to ...