Study: 'Warm ice age' changed climate cycles

Approximately 700,000 years ago, a "warm ice age" permanently changed the climate cycles on Earth. Contemporaneous with this exceptionally warm and moist period, the polar glaciers greatly expanded. A European research team ...

CryoSat reveals ice loss from glaciers

When one thinks of the damage that climate change is doing, it's probable that what comes to mind is a vision of huge lumps of ice dropping off one of the polar ice sheets and crashing into the ocean. While Greenland and ...

Drugs from the deep: scientists explore ocean frontiers

Some send divers in speed boats, others dispatch submersible robots to search the seafloor, and one team deploys a "mud missile"—all tools used by scientists to scour the world's oceans for the next potent cancer treatment ...

Canadian polar bears near 'bear capital' dying at fast rate

Polar bears in Canada's Western Hudson Bay—on the southern edge of the Arctic—are continuing to die in high numbers, a new government survey of the land carnivore has found. Females and bear cubs are having an especially ...

page 3 from 25