Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a study has found.

Horses can detect fear in humans by smell, becoming more likely to startle and more wary of people who are scared, a new study has found.

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...