Past decade saw unprecedented warming in the deep ocean

From 1975 on, the global surface ocean has shown a pronounced-though wavering-warming trend. Starting in 2004, however, that warming seemed to stall. Researchers measuring the Earth's total energy budget-the balance of sunlight ...

Going up: Japan builder eyes space elevator

A Japanese construction firm claimed Wednesday it could execute an out-of-this-world plan to put tourists in space within 40 years by building an elevator that stretches a quarter of the way to the moon.

El Nino and global warming—what's the connection?

The United Nations has declared 2015 the hottest year since record keeping began. It was also a year marked by the occurrence of a "super" El Niño. El Niño is a phenomenon that disrupts normal weather patterns, bringing ...

When tectonics killed everything

A new paper reveals how the worst extinction in Earth's history may have been tied to the formation of Supercontinent Pangea. The catastrophe wasn't triggered by an impact from above—unlike another well-known extinction—but ...

page 1 from 7