• Rainforests once existed in Antarctica

    An international team of researchers found evidence that rainforests once existed in West Antarctica. The mid-Cretaceous time period, from circa 115 million to 80 million years ago, is considered the warmest period in the past 140 million years. Sea surface…

  • Planetary wave supercharging noctilucent clouds over Antarctica

    An atmospheric wave about half as wide as the Earth is supercharging noctilucent clouds (NLCs) in the southern hemisphere, with NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft detecting the phenomenon in this series of south polar images from November…

  • Huge Antarctic iceberg finally breaks free

    After months of ‘hanging by a thread’, a vast iceberg the size of Norfolk has finally broken off Antarctica’s Larsen C Ice Shelf. Around 30 m (98 feet) of this 190 m (623 feet) thick block of ice sits above the sea surface. Scientists now have…