A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions ...

One of the lesser-spotted features of cold weather is the 'ice spike'. The rare, natural formations appearing as slender, hollow, or solid rods of ice that grow upward from the surface of freezing ...

If you have a water feature like a bird bath, you might notice an ice spike poking out. I've seen this happen most often during prolonged stretches of cold weather. You may even notice it occasionally ...