Search Results for: antarctica
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1,391 results
1,391 results for: antarctica
- Oceans
The Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions
A 2018 study suggested the ocean surrounding Antarctica might be taking up less CO₂ than thought, but new data suggest it is still a carbon sink.
- Health & Medicine
The first known monkeypox infection in a pet dog hints at spillover risk
A person passed monkeypox to a dog. Other animals might be next, allowing the virus to set up shop outside of Africa for the first time.
- Planetary Science
A meteor may have exploded over Antarctica 430,000 years ago
Tiny spherules recovered from a mountaintop suggest a space rock broke apart midflight and sprayed debris across thousands of kilometers.
- Planetary Science
Earth sweeps up 5,200 tons of extraterrestrial dust each year
Thousands of micrometeorites collected from Antarctica come from both comets and asteroids, a new study suggests.
- Planetary Science
Organic molecules in an ancient Mars meteorite formed via geology, not alien life
Analysis of an ancient Martian meteorite reveals that organic molecules within it were formed by geologic processes rather than alien life.
- Space
Artemis missions will usher in a new, more diverse crew of astronauts
Space agencies are preparing to send the next generation of astronauts to the moon and beyond. Here’s how the next crews will be different from the last ones.
- Microbes
Missing Antarctic microbes raise thorny questions about the search for aliens
Scientists couldn’t find microbial life in soils from Antarctica, hinting at a limit for habitability on Earth and other worlds.
- Climate
Wally Broecker divined how the climate could suddenly shift
Wally Broecker’s insight into the shutdown of the great ocean conveyor belt spurred the study of abrupt climate change.
- Climate
Collapse may not always be inevitable for marine ice cliffs
Runaway collapse of ice cliffs could dramatically boost sea level. But these cliffs may not be so vulnerable, new simulations suggest.
- Animals
The largest group of nesting fish ever found lives beneath Antarctic ice
Researchers stumbled upon a fish breeding colony of unprecedented size, spanning a territory slightly larger than Baltimore.
- Climate
How did we get here? The roots and impacts of the climate crisis
Over the last century and a half, scientists have built a strong case for the roots and impacts of human-caused climate change.
- Climate
A trek under Thwaites Glacier’s ice shelf reveals specific risks of warm water
An underwater autonomous craft collected the first data on the chemistry of seawater eroding the icy underbelly of Antarctica’s Thwaites Glacier.
