José Antonio Kast, a far-right politician, who has praised Chile's dictatorship, has won the presidency, signaling a sharp rightward shift fueled by fears over crime, migration, and the economy.

Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.

The discovery of three Culiseta annulata mosquitoes was confirmed this week by the Natural Science Institute of Iceland, which said the mosquitoes likely arrived by freight.