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Extreme weather is making Antarctic research harder, but new technology is providing some answers
Extreme weather is making Antarctic research harder, but new technology is providing some answers Gaby Clark Scientific Editor Robert Egan Associate Editor When you think of Antarctica, you might imagine a stark, otherworldly continent of endless, white ice, with the only sound being the wind punctuated by the crack of a glacier calving in the distance. This image may have been true more than 30 years ago, but is certainly not the case anymore. In January, I met online with colleagues who...
Ancient oceans began suffocating millions of years before Triassic mass extinction, geologists discover
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Amazon rainforest emits new stress-defense molecules during El Niño drought
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Why the Arctic's rivers are rusting now and where toxic orange water could spread next
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Dino-killing asteroid may have fueled underground life for 8 million years
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Atacama Desert's extreme aridity initiated 20 million years earlier than previously thought, study finds
A collaborative study with the University of Cologne, recently published in Nature Communications, provides compelling evidence that the extreme aridity in the hyperarid core of the Atacama Desert began over 40 million years ago—significantly earlier than previously assumed. The findings require a reconsideration of how deserts form and offer a new perspective on the long-term evolution of Earth's most extreme environments. Researchers from SUERC Centre for the Isotope Sciences are...
Robot fish could unravel how our ancient ancestors first learned to walk
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The asteroid that wiped out the dinosaurs may have created a vast underground habitat for life that lasted 8 million years
The asteroid that wiped out the dinosaurs may have created a vast underground habitat for life that lasted 8 million years The Chicxulub impact may have actually helped nurture life while destroying it, too. The asteroid impact that doomed the dinosaurs may also have built one of Earth's longest-lasting underground ecosystems. When a roughly 6-mile-wide (10-kilometer-wide) asteroid slammed into what is now Mexico's Yucatán Peninsula 66 million years ago, it triggered a global catastrophe...
We can predict space weather—what if we could also stop it?
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Frozen squirrel scat preserves ancient DNA from hundreds of species
A rich and complex ecosystem stretching back 700,000 years that included woolly mammoths, bison, horses and big cats has been unveiled thanks to DNA preserved in frozen faeces. Arctic ground squirrels (Urocitellus parryii) are rodents about 40 centimetres long, found in cold regions of both North America and Siberia. These areas were joined by a land bridge in the past, with the whole region being known as Beringia.