As the sun rose Saturday on the longest day of the year in the Northern Hemisphere, a crowd erupted in cheers ...

Have you ever felt thunder shake the windows or watched lightning split the sky and wondered who—or what—might be behind such ...

From Stone Age astronomy to Viking law and Roman goddesses, cultures across time have honored the longest day of the year ...

With “P’unchaw,” the photographer Victor Zea captures the light falling on Cuzco, Peru, where people have mixed Catholic and ...

Illustration by NASA/JPL Too small to be called planets, asteroids are rocky chunks that also orbit our sun along with the space rocks known as meteoroids. Tens of thousands of asteroids are ...