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Alton Bay Seaplane Base is the only ice runway in the continental U.S. When the ice is strong enough on New Hampshire's Lake Winnipesaukee, the FAA allows locals to plow a runway.

Scientists have frozen their ship to an ice floe to study the causes and consequences of diminishing Arctic ice, in the hopes of improving how the Arctic is represented in climate models.

Antarctica's Larsen C ice shelf is about to lose an iceberg the size of Delaware. Scientists gathering in the U.K. are scratching their heads about why it's cracking off.

While in Philadelphia for the DNC, Michel Martin visited a South Philly institution to taste a Philly classic: water ice (also called Italian ice). John's Water Ice has been open since 1945.

Three years ago, a huge section of an Antarctic ice sheet broke off and floated away. Now scientists have had a chance to look at what was under the shelf and have discovered huge mats of bacteria and clams. It's a cold seep, a rare phenomenon where methane bubbles up from under the seabed, and the first found in the Antarctic.

Scientists have been watching with alarm as the world's glaciers and arctic regions are showing more and more signs of melting. They suspect that global climate change -- fueled by industrial and vehicle emissions -- are to blame. But as NPR's Eric Niiler reports, this arctic thaw is also revealing a trove of ancient artifacts from people who dropped them thousands of years ago.

Greenland is covered in an ice layer that's up to 2 miles thick. But below the ice, there's a vast terrain of bedrock. Now scientists have found a mega-canyon there, twice the size of the one in Arizona. The hidden canyon is drawing oohs and aahs from scientists around the world.

Residents haven't heard the tell-tale sound of summer since the '70s, when the city council banned the trucks.

Immigrants around the country have staged hunger strikes over the past month to protest conditions inside detention facilities, prompting officials to…

Scientists have developed a new type of refrigeration system for Ben and Jerry's. It chills ice cream using sound waves, rather than with gases that may contribute to climate change. The "thermo-acoustic" chiller is a pricey prototype, but its creators hope the device can be produced for the commercial market. NPR's Robert Smith reports.