Ice Sheet

The terminus of Kangerlugssuup Sermerssua glacier in west Greenland.

A majority of Greenland's ice sheet is experiencing above-freezing temperatures this week, which could cause record melting and raise global sea levels.

By Maxine Speier

Sea ice is seen from NASA's Operation IceBridge research aircraft off the northwest coast on March 30th, 2017, above Greenland.

Environment

A series of recent studies and reports suggest that, without immediate and drastic action, the worst-case climate scenario will become the rule rather than the exception.

By Kate Wheeling

This astronaut photograph provides a view of the central Tien Shan mountains east of where the borders of China, Kyrgyzstan, and Kazakhstan meet.

Environment

NASA satellites are offering new insights into how glaciers in Antarctica and Asia are responding to warmer temperatures.

By Francie Diep

Environment

A new study of the ancient Laurentide Ice Sheet suggests that Greenland and Antarctic ice sheets may not accelerate as quickly as previously thought.

By Nathan Collins

Environment

Melting glaciers yield evidence on new theories of Asian migration to the Americas. Underwater robots search the sea bottom, looking for more.

By Michael Haederle

Environment

A conversation with penguin expert Grant Ballard on the short-term wins and long-term losses facing one of the world's most charismatic animals.

By Michael Todd

Social Justice

A mile-and-a-half-long ice cube tells a story about Earth's climate.

By Jessica Hilo

Environment

A new satellite will measure to the centimeter just how far gone, or going, the Arctic ice cap really is.

By Bruce Dorminey

Environment

Two new studies show that the effects of changing climate are with us regardless of where governments or public opinion stand.

By Sam Kornell

Environment

Sailing from the Atlantic to the Orient across the roof of the world has been the dream of Arctic explorers and world traders for centuries. It saves fuel, too, so what's not to like? Well ...