Machu Picchu, the famous 15th-century Inca site in southern Peru, is up to several decades older than previously thought, according to a new study led by Yale archaeologist Richard Burger.
Burger and researchers from several U.S. institutions used...
Indian states are deploying a new policy tool that shows potential to reduce their high air-pollution levels, which are estimated to have caused nearly 1.7 million deaths, or 18% of all Indian deaths, in 2019.
The policy tool — an emissions trading system...
The Yale community saw a familiar face behind the podium at the Royal Swedish Academy of Sciences on Oct. 5, when the 2021 Nobel Prize for Physics was announced.