Peru's Ministry of Culture has confirmed a groundbreaking discovery that rewrites the history of ancient astronomy in the Americas. Archaeologists working at the Chankillo Archaeoastronomical Complex ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...

Morning dew and roaring falls inspire poets. Hurricanes and typhoons wreak devastation. Melting glaciers and rising tides challenge us all, even in an ever more thirsty world. Water is so vital to our ...

Spiders are one of the easiest groups of invertebrates to watch and they're fascinating creatures. Here are some of our ...