Early humans in North and South America relied heavily on hunting of large mammals, including mammoths and giant ground sloths, for food and sustenance, according to newly published research by a team ...

Humans sleep less than every other primate on record, despite having the biggest brains — biologists call it the human sleep ...

Why do koalas spend almost the whole day asleep? The answer lies in the leaves they eat, the trees they live in and the way ...

If something exists, there’s probably someone out there who’s scared of it. Ever heard of trypophobia? This is when someone ...

Researchers have identified the brain circuitry that links deep sleep with the release of growth hormone, revealing how the ...

Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night ...

Waking up exhausted but your sleep tracker says you slept great? You aren't imagining it. Here is how your menstrual cycle ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A four-ton elephant brought into the Texas Republican Party's annual ...

The most powerful factors affecting a child's brain development involve socioeconomic opportunities, according to a study in the journal Science. The analysis of more than 2,300 9- and 10-year-olds ...

Results: Three activity subtypes (high, light, and low activity) and 4 sleep subtypes (efficient early sleepers, efficient late sleepers, disrupted sleepers, and variable late sleepers) were ...

Georgia Tech researchers and Zoo Atlanta are innovating technology to keep elephants healthy and sharp. Building on this innovation, Arianna Mastali, a Georgia Tech PhD student, is developing an ...