One of the hardest-working organisms in the ocean is the tiny, emerald-tinged Prochlorococcus marinus.
A new study investigating ancient methane trapped in Antarctic ice suggests that global increases in wildfire activity likely occurred during periods of abrupt climate change throughout the last Ice Age.
More than half a billion years ago, a meteorite struck Earth near the Antarctic Circle, leaving a divot several kilometers in diameter.
Last year saw warming reach startling new highs, with record heat fueling extreme weather around the world.
Academics from Northumbria University are part of an international research team which has used data from satellites to track changes in the thickness of the Greenland Ice Sheet.