Winter is the season when Antarctica's frozen edge usually expands. This year, one part of the continent is doing the opposite. Scientists have identified a vast stretch of ocean that remains largely ice-free despite being deep into the Antarctic winter, while temperatures in parts of the region recently climbed more than 20°C above seasonal averages.

Según las observaciones satelitales, faltan unos 650.000 kilómetros cuadrados de hielo marino. Un dato clave, ya que junio es un mes en el que debería expandirse rápidamente

Temperatures have climbed up to 45 degrees Fahrenheit above normal, stopping ice from forming in the dead of Antarctic winter.

Winter is the season when Antarctica's frozen edge usually expands. This year, one part of the continent is doing the opposite. Scientists have identified a vast stretch of ocean…