For decades, scientists have known that summertime brings liquid meltwater to Antarctica’s ice sheets. But until now, they’ve had no idea just how extensive the continent’s network of rivers, streams, ponds, and waterfalls really is. A new analysis by scientists at  Columbia University’s Lamont-Doherty...

For decades, scientists have known that summertime brings liquid meltwater to Antarctica’s ice sheets. But until now, they’ve had no idea...

The United States imposed sanctions on Russia back in 2014 after Moscow annexed Crimea. But it appears oil giant ExxonMobil would like an exception for their own profit. They're seeking a sanctions waiver from the U.S. Treasury Department to pursue drilling in the Black Sea with Russian state-owned oil company...

The United States imposed sanctions on Russia back in 2014 after Moscow annexed Crimea. But it appears oil giant ExxonMobil would like an exception...

The Lower Colorado River is one of the United States' most vital waterways. Besides providing drinking water to 30 million Americans in cities such as San Diego, Las Vegas, and Tucson, the river also irrigates about 90 percent of the country's winter-vegetable supply. But it's in danger of being tapped out, according...

The Lower Colorado River is one of the United States' most vital waterways. Besides providing drinking water to 30 million Americans in cities...

Today researchers at Harvard-Smithsonian made an exciting announcement: a newly discovered planet may be the best candidate yet for finding life outside of our solar system. Earlier this year, scientists identified seven planets orbiting a star that looked ideally-placed for hosting life, but we really don't know...

Today researchers at Harvard-Smithsonian made an exciting announcement: a newly discovered planet may be the best candidate yet for finding life...