On the windswept steppe west of Astana, President Kassym-Jomart Tokayev led a solemn ceremony this week to mark Kazakhstan’s ...

The burden of air pollution is not evenly shared. Poorer people and some racial and ethnic groups are among those who often face higher exposure to pollutants and who may experience greater responses ...

A study of more than 100 genomes from people who lived in ancient China has unmasked a "ghost" in their midst.