Over the years, several theories have been proposed to explain the reduction in the amount of blood the heart can pump

A landmark international study examines the reef's ability to recover from abrupt environmental change over millennia

A team of chemists announced that they have developed a "quick and robust" blood test that can detect liver damage before symptoms appear

Iridescence is common in nature, from the dazzling blues of peacock's feathers, to the gem-like appearance of insects

New research by a team of Rockefeller scientists illuminates the molecular circuitry that determines a cell’s fate

A study offers clues to how aphids capitalize on relationship with beneficial bacteria through changes in gene expression linked to DNA methylation

Athletic trainers and competitive athletes think of lactate as the cause of muscle fatigue, reduced performance, and pain

A UChicago study explains blocking phenomenon that has baffled forecasters

A team from the Université libre de Bruxelles's centre for archaeological research has completed a significant excavation in Pachacamac, Peru

Although the surface of Mars is inhospitable to known forms of life today, there is evidence that in the distant past, the Martian climate allowed the presence of liquid water

In response to the 2014 outbreak, International Medical Corps ran five Ebola treatment units in Sierra Leone and Liberia

The researchers identified the contamination using a new method and say if the particles are inhaled they could pose long-term health risks to humans