Spending too much time in dimly lit rooms and offices may actually change the brain’s structure and hurt one’s ability to remember and learn, indicates groundbreaking research by Michigan State University neuroscientists.

Although many people don’t get enough sleep, a new analysis shows first signs of success in the fight for more shut eye. According to data from 181,335 respondents aged 15 and older who participated between 2003 and 2016, most people averaged an extra 7.5 hours of sleep each year over the 14-year period.

Internet use may decrease the likelihood of a person affiliating with a religious tradition or believing that only one religion is true, according to a Baylor University study.

There are more than eight million species of living things on Earth, but none of them — from 100-foot blue whales to microscopic bacteria — has an advantage over the others in the universal struggle for existence.

Feelings about the frequency of rape or other forms of sexual assault in a neighborhood are significantly tied to women’s—but not men’s—perceptions of its safety, according to new research.

If your resolution is to be healthier, happier and more fit in the new year, focus first on finding a real purpose in life.