November 8, 2018
Antarctic rift was active more recently than thought
Studying Antarctica’s geology is difficult because of the continent’s remote location and extreme weather, and because most of it is buried under …
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Antarctica
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57 articles · Page 1 of 3
October 12, 2018
Globe-trotting kelp set new world record
When marine biologist Erasmo Macaya, from University of Concepción in Chile, found a piece of kelp washed up on a beach in Antarctica, he …
September 10, 2018
First Antarctic tetrapods
Tetrapods include all those animals with four limbs. Humans are tetrapods, as are dogs and dinosaurs and salamanders. The earliest tetrapods …
May 23, 2018
Down to Earth With: Lucy McFadden
Not many people can say they have an asteroid named after them. But Lucy McFadden, a self-described small planetary objects junkie, can. For …
April 10, 2018
Ice (Re)Cap: May 2018
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
March 19, 2018
Globe-trotting bacteria found at both poles
The Arctic and Antarctica, separated by more than 15,000 kilometers, may be geographic opposites but they share many similarities, including …
March 8, 2018
Gyres spin up, currents get muddled
In addition to polynya formation and warming-induced surface freshening, other factors may also impact open-ocean convection in the Southern …
February 27, 2018
Benchmarks: March 29, 1912: Scott's South Pole Journey Ends in Death
The epic tale of the race between Norway and Britain to be the first to reach the South Pole — and its tragic conclusion with the deaths of …
February 27, 2018
Ice (Re)Cap: March 2018
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
October 18, 2017
Ice (Re)Cap: November 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
August 15, 2017
Ice (Re)Cap: September 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
April 19, 2017
Ice (Re)Cap: May 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
February 16, 2017
Ice (Re)Cap: March 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
January 27, 2017
A mysterious first
Women sailed around the sub-Antarctic islands well before Caroline Mikkelsen or Ingrid Christensen’s journeys, usually accompanying their sailor …
January 25, 2017
Benchmarks: February 5, 1931 and February 20, 1935: Antarctic firsts for women
We can only guess what Caroline Mikkelsen was thinking on Feb. 20, 1935, as she sipped her coffee, resting on a rocky hillside surrounded by the …
December 20, 2016
Mysterious Antarctic algae blown in by high winds
When fossils of microscopic marine algae called diatoms were discovered high in the Transantarctic Mountains 30 years ago, the mysterious find …
December 15, 2016
Seafloor topography drives Earth's great conveyor belt
In the Southern Ocean, the world’s largest current in terms of volume transport — the Antarctic Circumpolar Current (ACC) — encircles Antarctica …
November 30, 2016
Down to Earth With: Underwater cave explorer Jill Heinerth
Jill Heinerth has trekked farther into caves than any woman in history, logging more than 7,000 dives across every continent and descending as …
November 15, 2016
Ice (Re)Cap: December 2016
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
October 20, 2016
Down to Earth With: Volcanologist Kayla Iacovino
When Kayla Iacovino enrolled as a freshman at Arizona State University in 2005, she thought she might become an astronaut. But, after a field …
September 20, 2016
Antarctic no place to hide during end-Cretaceous extinction
The end-Cretaceous extinction is famous for killing off the dinosaurs, but many other species perished as well. A new study in Nature …
July 26, 2016
Ice (Re)Cap: August 2016
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
June 16, 2016
Iron meteorites likely hidden below Antarctic ice
Despite the fact that meteorites fall relatively evenly across the surface of the planet, most meteorites retrieved by humans have come from …
May 20, 2016
Ice (Re)Cap: June 2016
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …