Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the ...

NASA and SpaceX could launch four astronauts to the International Space Station on October 1, with the Dragon spacecraft ...

A new study suggests coffee may influence mood and brain function by changing the activity of microbes in the gut. Both ...

Measurements of ancient light from the cosmic microwave background suggest that the universe is remarkably flat. But that ...

A compound the body can make after eating pomegranates, walnuts, and some berries improved measures of heart function by up to 80% in animal models of a difficult-to-treat form of heart failure.

Strengthening the body’s natural daily rhythms helped mice recover after stroke by improving the brain’s waste-clearing ...

A large health-record analysis found that glucosamine use was associated with a 25% higher likelihood of mild cognitive ...

Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet counts.

Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the ...

Tirzepatide, sold as Mounjaro and Zepbound, activated calorie-burning brown fat in obese mice, revealing a potential ...

A new analysis suggests mammograms may lead to far less breast cancer overdiagnosis than some earlier studies indicated.

Spaceflight may dramatically change the gut within weeks, causing bacteria to break down more protein as food moves more ...