Search Results for: antarctica
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1,394 results
1,394 results for: antarctica
- 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.
- Animals
Painted lady butterflies’ migration may take them across the Sahara
The migratory patterns of painted lady butterflies are largely unknown. Now scientists have found evidence that some may migrate across the Sahara.
- 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.
- 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.
- Animals
Spider diet goes way beyond insects
Veggie-eating spiders have been found on every continent except Antarctica, a new study notes.
- Space
Will we know extraterrestrial life when we see it?
Desert varnish and certain minerals hint that life — here and elsewhere — may defy current criteria.
- 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.
- Animals
Chubby king penguins wobble when they waddle
King penguins’ weight gain makes their waddle a bit wobbly, study suggests.
- Science & Society
Human evolution, biomimicry and more go on display
A new human evolution gallery and a lecture series on Europa are among science events to explore in February 2016.
- Physics
Halo of light crowns Antarctica
Ice crystals in the air bend sunlight into a ring over a research base in eastern Antarctica.
- 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.
- Animals
A single penguin can break up a huddle
A new study documents how penguins regulate body temperature by forming huddles and breaking groupings apart.
