President-elect Donald Trump announced Thursday that he planned to nominate Robert F. Kennedy Jr. to lead the Department of ...

Could social bonds be the key to human big brains? A study of the fossil teeth of early Homo from Georgia dating back 1.77 million years reveals a prolonged childhood despite a small brain and an ...

Early humans may have reached adulthood around the same age as great apes, but with a slower, human-like pattern of tooth ...

North Carolina dentists tout the benefits of fluoride in water systems, even as some counties are looking to ban the substance.