NASA satellites detected a phytoplankton bloom around Antarctic iceberg A-23A as it melted, showing how icebergs can fertilize the ocean.

Usually when we think of icebergs, we don't imagine perfect geometric shapes. But that's exactly what NASA captured in an image posted on Twitter of an iceberg in what appears to be the shape of a ...

One of the largest and oldest icebergs is now melting very quickly, ending its 40-year journey across the southern ocean.

The world-famous iceberg, A-23a, has gotten smaller and smaller over the last four decades and now, is nearing disintegration. It's been 40 years since it first broke away, and has now shrunk down to ...