What would you do if you won an Olympic gold medal? Obviously, be happy and celebrate with your teammates. High-five some fans. Thank your parents at home. Thank your dog or cat. High-five some more ...

The colours of the natural world are not what they once were. More than half of the oceans have become greener over the last 20 years, and forests are turning brown prematurely. Various species of ...

Researchers at the University of Oulu are building Finland's digital shield that withstands crisis situations.

WASHINGTON — The Trump administration is dramatically expanding an effort to revoke U.S. citizenship for foreign-born Americans as it works to curb immigration, according to two people familiar with ...