In some places, the underside of the sea ice looks like giant green clouds. These are the 'grass meadows' of Antarctica, made ...

On top of the ice, lakes in the winter don't look like much. They're barren and seemingly lifeless, a white expanse stretching out as far as the eye can see. But the view from below is something ...

Each year, as spring arrives in the Arctic, the sun's warmth triggers a transformation on the Greenland ice sheet. Snow melts, and patches of brownish algae bloom on the ice surface. These microscopic ...

Rapid sea ice loss and ocean acidification from climate change are altering the growth and nutritional value of microscopic algae. These algae are an essential food source for fish, krill, and ...

It sounds like something from a sci-fi blockbuster: giant viruses are living in the Arctic ice. But the earth is not doomed - these supersized infectious agents could actually help slow the ...