greenland ice sheet
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Gigantic Greenland Impact Crater Is Much Older Than Scientists Thought
A hidden impact crater in northwestern Greenland dates back some 58 million years, making it far older than previous estimates. The challenge now will be to find further evidence of what was surely a massively disruptive global-scale event.
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New Northernmost Island Discovered Above Greenland
There’s a new northernmost island, and it was discovered quite by accident in the icy waters above Greenland last month. The little strip of land has no vegetation, but researchers are hoping to find life in the samples they collected there.
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How Worried Should You Be About a Key Atlantic Current Collapsing?
The Day After Tomorrow gets invoked often in climate discourse, but then, we keep having extreme events that seem to mimic the movie. The latest example is a new study, published Thursday in Nature Climate Change, that sounds the alarm about “early-warning signals” the Atlantic Meridional Overturning Circulation could collapse.
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Ancient Greenland Cave Sediments Contain a Climate Change Warning
Increasing geologic evidence suggests that the Arctic was once a lot warmer than it is today, which means big trouble as we continue to pump greenhouse gases into the atmosphere with abandon. The latest development is a study published Wednesday in Science Advances, which uses geologic cave deposits to deduce that the region was at…