Earth is the only hospitable planet. For most of the time, living here fills one with glee. But just until summer arrives, ...

A view of one part of the Paleontology collection in the Museum of Natural History, arranged by the addition of representative specimens from other parts of the three floors of fossils in the East ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth from Space Getty Images/fotograzia Climate change deniers inaccurately claim that Earth's rapidly rising temperatures are ...

An international team has just achieved a world first: creating the thermal map of two rocky Earth-sized planets located in ...

Climate change is making extreme weather feel closer than ever, with longer heatwaves, stronger storms, and shifting seasons.