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3 rivers merge into striking half-and-half waterway in Guyana
By Harry Baker published
Earth from space A 2023 satellite photo highlights the point where a trio of rivers converges in Guyana. One of the waterways has been significantly altered by mining waste, creating a striking color contrast.

Incomplete remains of world's 'youngest' impact crater spotted lurking in Chinese forest
By Harry Baker published
Earth from space A 2021 satellite photo shows off the recently uncovered Yilan crater in China, which is most likely the youngest impact structure on Earth. The incomplete ring is also the largest of its kind and only the second impact crater ever found in the country.

How can deserts form next to oceans?
By Sara Hashemi published
Deserts are notoriously dry, so why do so many of them border oceans?

Ancient 'Asgard' microbe may have used oxygen long before it was plentiful on Earth, offering new clue to origins of complex life
By Kenna Hughes-Castleberry published
A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a clue to how the first complex cells — and, eventually, all plants and animals — evolved.

Solar flares may be triggering earthquakes, controversial study claims
By Kenna Hughes-Castleberry published
Researchers have proposed that changes in Earth's ionosphere could trigger electrical forces that nudge fragile areas of the crust into creating an earthquake.

The biggest trees in the Peruvian Amazon store the most carbon — and they also face the greatest threat from humans
By Brian Owens published
The Amazon's biggest trees store disproportionately more carbon than smaller trees do, new study finds. But in the Peruvian Amazon, large trees are currently prioritized for harvest.

Missing megaflood: How did the Mediterranean transform from a salt-filled bowl to a deep sea if it wasn't a cataclysmic deluge?
By Dana Mackenzie, Knowable Magazine published
Researchers have long believed that a sudden, massive deluge filled a dry, salt-filled Mediterranean 5 million years ago. Turns out that probably didn't happen, but there was still drama aplenty.

Hidden slippery clay on seafloor may have worsened devastating 2011 tsunami in Japan
By Stephanie Pappas published
A thick layer of slippery clay on the ocean floor may have formed the weak spot that enabled a magnitude 9.1 quake to make such a devastating tsunami.

Vanishing lakes in Tibet may have triggered earthquakes by awakening faults in Earth's crust
By Colin Barras published
Shrinking lakes in Tibet likely woke up long-dormant tectonic faults, a new study finds. The findings strengthen the link between climate change and earthquakes

Hidden beauty of Zimbabwe's 2.5 billion-year-old 'geological marvel' revealed in striking astronaut photo
By Harry Baker published
Earth from space A 2010 astronaut photo shows off the astonishing scale of the Great Dyke of Zimbabwe, which stretches over 340 miles (550 kilometers). The lengthy structure, which is not actually a dike, is full of extremely valuable minerals that fuel a massive mining industry.
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