Search Results for: antarctica
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1,391 results
1,391 results for: antarctica
- Physics
Halo of light crowns Antarctica
Ice crystals in the air bend sunlight into a ring over a research base in eastern Antarctica.
- Paleontology
Tomatillo fossil is oldest nightshade plant
Two 52-million-year-old tomatillo fossils in Patagonia push the origin of nightshade plants back millions of years, to the time when dinosaurs roamed.
- Climate
Plot twist in methane mystery blames chemistry, not emissions, for recent rise
The recent rise in atmospheric methane concentrations may have been caused by changes in atmospheric chemistry, not increased emissions from human activities, two new studies suggest.
- Earth
Spy satellites reveal early start to Antarctic ice shelf collapse
Declassified spy satellite images reveal that Antarctica’s Larsen B ice shelf began destabilizing decades earlier than previously thought.
- Animals
It takes guts for a sea spider to pump blood
Most sea spiders have hearts, but what really gets their blood flowing are gut contractions.
- Planetary Science
How to keep humans from ruining the search for life on Mars
As the race to put humans on Mars heats up, researchers worry they are running out of time to find life on the Red planet.
- Climate
Sea levels could rise twice as fast as previously predicted
Sea level rise from Antarctica’s melting ice could accelerate faster and sooner than previously thought.
- Climate
Antarctic history suggests ice sheet ‘danger’ threshold
Carbon dioxide levels during the Antarctic ice sheet’s formation 34 million years ago suggest that Earth could soon enter “danger zone” for ice sheet’s demise.
- Ecosystems
‘Citizen Scientist’ exalts ordinary heroes in conservation science
Journalist Mary Ellen Hannibal’s “Citizen Scientist” tells tales of ordinary people contributing to science.
- Paleontology
Birds’ honks filled Late Cretaceous air
Oldest avian voice box fossil yet discovered belonged to a ducklike bird that lived during the age of the dinosaurs.
- Climate
Warming culprit CO2 has a cool side — and it’s in Antarctica
Rising CO2 levels above central Antarctica cause cooling, not warming, new research suggests. The odd effect results from surface temperatures that are colder than the overlying stratosphere.
- Science & Society
Top 10 science stories of 2016: Gravitational waves, Zika, Proxima b and more
The detection of gravitational waves takes the top spot in our top 10 stories of 2016. Also on the list: Zika’s devastation, a nearby exoplanet discovery and more.
