Sea levels rose and fell many times during the ice age, showing ice sheets were larger and more active much earlier than once believed.

For most of us, first-hand knowledge of Greenland is probably limited to flying over it en route to North America. It’s likely that you’ve heard more about it over the last few months than in the rest ...

BOSTON – Why is sea ice continuing to melt in the Arctic? NASA researchers are aiming to find out as they just wrapped up a never-before-done experiment. The research, called Arctic ...

Researchers are sounding the alarm. Climate change is not only threatening the environment in South America, but also a key water supply for the people there.

Greenland’s vast ice sheet, a critical component of Earth’s climate system, is melting at a pace that has alarmed scientists ...

BUFFALO, N.Y. — How much sea level rise will coastal communities have to contend with by the end of the century, and beyond? Melt from the Earth’s ice sheets is already contributing to flooding ...

The geoengineering experiment sought to use tiny silica beads to reflect sunlight away from Earth. A geoengineering project that was testing a novel way of cooling the planet has come to an end amid ...

The BBC's Rebecca Morelle is with scientists as they melt the last few ice cores for analysis - these are the very oldest, at least 1.5 million years old.

Melting Arctic ice enables nitrogen-fixing microbes to feed algae and absorb carbon, challenging old climate views.

As the government shutdown enters its third week with no clear end in sight, a 3,000-pound ice sculpture was unveiled on the National Mall, spelling out the word “democracy.” Glinting in the midday ...