A new exhibition in Rio de Janeiro, Brazil, asks, what if the most radical climate tool isn't technology, but the ability to ...

Lawrence Krauss, a world-renowned physicist and former Arizona State U. professor accused of sexual misconduct, exchanged ...

MILAN, Italy — Venice has been charmed by a recent visitor: an acrobatic wild dolphin. The feeling appears to be mutual — he so far refuses to leave — but proximity to humans has put him in danger.