‘Very worried’: Scientists fret as Antarctic sea ice dwindles

‘Very worried’: Scientists fret as Antarctic sea ice dwindles

LIVINGSTON ISLAND, March 10 — Sea ice levels in Antarctica have registered historic lows for three consecutive years, portending grave consequences for life on Earth as we know it. But looking out over the southernmost continent, scientist Miguel Angel de Pablo laments that humanity seems to be oblivious to the warnings. “We (scientists) are very … Read more

Studying the otherworldly sounds in Antarctic waters

Studying the otherworldly sounds in Antarctic waters

ON BOARD THE ARC SIMON BOLIVAR (Antarctica), Feb 15 — In freezing Antarctic waters, amid bobbing chunks of floating ice, the hums, pitches and echoes of life in the deep are helping scientists understand the behaviour and movements of marine mammals. “There are species which make impressive sounds, literally like Star Wars, they sound like … Read more

Ice and fire: Antarctic volcano may hold clues to life on Mars

Ice and fire: Antarctic volcano may hold clues to life on Mars

DECEPTION ISLAND (Antarctica), Feb 4 — On Deception Island in Antarctica, steam rises from the beaches, and glaciers dot the black slopes of what is actually an active volcano — a rare clash of ice and fire that provides clues to scientists about what life could look like on Mars. The horseshoe-shaped isle in the … Read more

Antarctic octopus DNA reveals ice sheet collapse closer than thought

Antarctic octopus DNA reveals ice sheet collapse closer than thought

WASHINGTON, Dec 22 — Scientists investigating how Antarctica’s ice sheets retreated in the deep past have turned to an innovative approach: studying the genes of octopuses that live in its chilly waters. A new analysis published yesterday in Science finds that geographically-isolated populations of the eight-limbed sea creatures mated freely around 125,000 years ago, signalling … Read more

Antarctic ozone hole getting deeper in mid-spring, research suggests

Antarctic ozone hole getting deeper in mid-spring, research suggests

NEW YORK, Nov 25 — The hole in the Antarctic ozone layer has been getting deeper in mid-spring over the last two decades, despite a global ban on chemicals that deplete Earth’s shield from deadly solar radiation, new research suggested Tuesday. The ozone layer 11 to 40 kilometres above Earth’s surface filters out most of … Read more