Climate change is altering conditions in near-Earth space, which could limit the number of satellites that can reliably ...

A new global health ranking has identified the world's healthiest - and most unhealthy - countries in 2019. The Indigo Wellness Index, compiled and led by Richard Davies at economics consultancy ...

NASA astronauts Butch Wilmore and Sunita Williams face potential long-term health issues after a nine-month space mission.

Without an ozone layer, Earth’s surface will be exposed to harmful solar radiation, making it even more inhospitable. Only anaerobic microbes—organisms that thrive in oxygen-free environments ...