Posts Tagged ‘Antarctica’
West Antarctic ice loss still within normal range
U. WASHINGTON (US) — Glaciers at the edge of the icy continent of Antarctica have been thinning dramatically, but the changes can’t be attributed with confidence to human-caused global warming, according to new ice core research. Continue…
Thursday, April 18, 2013 11:48 - 0 Comments
Science & Technology - Mar 18, 2013 10:02 - 2 Comments
Antarctic whale bones teem with critters
U. SOUTHAMPTON (UK) — Scientists have discovered a whale skeleton in an undersea crater near Antarctica, as well as at least nine new species of deep-sea organisms thriving on the bones. (more…)
Earth & Environment - Mar 7, 2013 6:03 - 1 Comment
Antarctica: Flat to fjord 34M years ago
U. ARIZONA (US) — Antarctica’s topography began changing from flat to fjord-filled about 34 million years ago—an important finding for modeling how the Antarctic ice sheet affects global climate and sea-level rise. (more…)
Science & Technology - Feb 11, 2013 12:49 - 2 Comments
World’s saltiest pond hints at early Mars
BROWN (US) — Time-lapse photography of Antarctica’s Don Juan Pond, the most saline natural body of water on Earth, suggests that such ponds could be possible on Mars. (more…)
Earth & Environment - Jan 22, 2013 11:41 - 0 Comments
Big climate picture from tiny marine fossils
CARDIFF U. (UK) — Researchers are studying a unique 12,000-year fossil record of marine algae to learn more about past climate change in the western Antarctic Peninsula, one of the fastest warming regions on the planet today. (more…)
Science & Technology - Jan 17, 2013 14:54 - 1 Comment
Telescope built to capture big bang light
COLUMBIA U. (US) — A new telescope will record relics from the universe’s moment of creation in an effort to learn more about the big bang. (more…)
Science & Technology - Dec 3, 2012 12:20 - 0 Comments
Team to launch balloon into polar vortex
WASHINGTON U.-ST. LOUIS / CALTECH (US) — Scientists are poised to send a two-ton balloon-borne cosmic-ray experiment called Super-TIGER into the high-altitude polar vortex over Antarctica. (more…)
Earth & Environment - Nov 30, 2012 12:02 - 2 Comments
At both poles, ice melt is speeding up
U. LEEDS (UK) / CALTECH (US) — Ice sheet melting has increased over time and, altogether, Greenland and Antarctica are now losing more than three times as much ice as they were in the 1990s. (more…)
Earth & Environment - Nov 29, 2012 13:49 - 0 Comments
Warm ocean speeds ice melt in Antarctica
TEXAS A&M (US) — The melting rate of certain glaciers in Antarctica is unmistakably accelerating, scientists report. (more…)
Science & Technology - Nov 27, 2012 12:44 - 0 Comments
Microbes found thriving in salty Antarctic lake
MICHIGAN STATE (US) — Scientists have discovered hearty microbes in briny water under 60 feet of Antarctic ice. (more…)
Top Stories - Oct 30, 2012 10:01 - 0 Comments
Seals suck up tiny krill with ‘sieve’ teeth
MONASH (AUS) — A set of advanced teeth allow Antarctic leopard seals to feast on prey of all sizes—from penguins to tiny krill—biologists report. (more…)
Earth & Environment - Oct 9, 2012 14:15 - 0 Comments
Different microbes evolve in Earth’s polar oceans
U. MICHIGAN (US) — Both of Earth’s polar regions are icy, but scientists report that there’s a clear difference between the microbes in the Southern and Arctic oceans. (more…)
Top Stories - Aug 29, 2012 11:31 - 0 Comments
Penguins grow ‘frigid’ as Antarctic warms up
STONY BROOK (US) — As temperatures rise on the Antarctic Peninsula, the number of breeding chinstrap penguins is down by more than half, new research shows. (more…)
Earth & Environment - Aug 24, 2012 9:22 - 0 Comments
Repeat quakes jostle Antarctic glacier’s ice
PENN STATE (US) — A new study identifies about 20,000 earthquakes—one every 25 minutes or so for a year—on the David Glacier in Antarctica. (more…)
Earth & Environment - Jul 12, 2012 17:10 - 0 Comments
Many threats spell trouble for Antarctica
TEXAS A&M (US) — Antarctica is at risk from human activities and other forces, say scientists, who call for environmental management to protect the planet’s last great wilderness area. (more…)
Earth & Environment - Jun 26, 2012 10:43 - 0 Comments
Sediment core reveals Arctic warm spells
U. WASHINGTON (US) — The Arctic has gone through intensely warm periods—warmer than scientists thought was possible—in the last 2.8 million years, new research shows. (more…)
Earth & Environment - May 11, 2012 11:05 - 1 Comment
Jersey-sized ice basin at risk of collapse
U. TEXAS-AUSTIN (US) — Scientists have uncovered a sub-glacial basin about the size of New Jersey under the West Antarctic Ice Sheet by using ice-penetrating radar instruments flown on aircraft. (more…)
Earth & Environment - Apr 6, 2012 14:36 - 0 Comments
Permafrost thaw warmed prehistoric Earth
U. SHEFFIELD (UK) — Carbon trapped in frozen Polar Region soil likely caused prehistoric global warming, not methane gas in ocean-floor sediments, as previously thought. (more…)
Earth & Environment - Mar 29, 2012 12:31 - 2 Comments
Antarctic ice shelves tearing apart, satellite shows
U. TEXAS-AUSTIN (US) — An analysis of 40 years of satellite imagery shows the floating ice shelves of a critical portion of West Antarctica are tearing apart at the seams. (more…)
