The last time the Earth was hotter than it is today was at least 125,000 years ago, long before anything that resembled human civilization appeared. Since 1970, the Earth’s temperature has spiked ...

Humans may be just as vulnerable to environmental change as other animals, according to our new research analysing genetic data from more than a thousand people who lived across Europe and Asia over ...

The latest book marks our third effort to review available literature regarding the role of nutrition in astronaut health. In 2009, we reviewed the existing knowledge and history of human nutrition ...

Large-scale evolutionary analysis shows most zoonotic viruses emerge without prior adaptation, while passing through a ...

The use of ancient DNA, including samples of human remains around 45,000 years old, has shed light on a previously unknown aspect of human evolution. The use of ancient DNA, including samples of human ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

Study reveals how specific mutations in the H5N1 virus enhance its ability to bind human receptors, underscoring the need for ongoing surveillance of emerging strains. Study: A single mutation in ...

Penn State provides funding as a founding partner of The Conversation US. Australian National University and Adelaide University provide funding as members of The Conversation AU. Humans may be just ...