Search Results for: antarctica
Skip to results
1,394 results
1,394 results for: antarctica
- Earth
Lopsided lights
Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.
- Earth
Comet likely culprit in Tunguska blast
Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.
- Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
- Life
Penguin DNA evolving faster than thought
Comparing the DNA in modern birds to that in ancient generations shows molecular evolution happens at varying rates, and that each species has its own rate of evolution.
- Paleontology
Major eruption cooled the climate but went unnoticed
Ice-core records suggest that a major 1809 eruption cooled Earth even before the Tambora eruption and ‘the year without a summer’.
- Climate
Acidifying ocean may stifle phytoplankton
Chemical changes in seawater make a key nutrient less available to these organisms.
- Chemistry
Methane-making microbes thrive under the ice
Antarctica’s ice sheets could hide vast quantities of the greenhouse gas, churned out by a buried ecosystem.
- Earth
Ice drilling nets shrimpy surprise
Underwater camera captures an Antarctic crustacean, as a serendipitous part of a larger ice shelf study.
- Space
Famous Martian meteorite younger than thought
The famous fragment of Mars, once proposed to hold signs of extraterrestrial life, is still pretty old. But the rock appears to have formed about 400 million years later than earlier analyses indicated.
- Earth
Gravity lows mark burial sites of ancient tectonic plates
Dips in Earth's gravitational field are tied to 'slab graveyards'
- Earth
Antarctic shoal breaks the ice
Instruments on a massive berg help pinpoint a previously unreported undersea ridge.
- Life
Marine census still counting new life-forms
The Gulf of Mexico ranked among the top five marine regions for number of known species.
