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Mystery of Bolivian 'zombie' volcano finally solved
By Jess Thomson published
Uturuncu, a dormant volcano in Bolivia, appeared to be getting ready to erupt following earthquakes and "sombrero" shaped deformation — scientists have now worked out what's going on beneath the surface.

New technologies are helping to regrow Arctic sea ice
By Matilda Hay, Grist published
But should we use them?

Ghost forests are growing as sea levels rise
By Jude Coleman, Knowable Magazine published
As trees choked by saltwater die along low-lying coasts, marshes may move in — for better or worse, scientists are learning

Scientists find 'breathing' magma cap inside Yellowstone supervolcano
By Patrick Pester published
Yellowstone's supervolcano appears to have a magma cap that vents pressure and reduces the chances of a massive eruption happening anytime soon.

Corryvreckan whirlpool: Scotland's 'raging cauldron' that is named after a Norse king and said to house a witch
By Sascha Pare published
The Corryvreckan whirlpool is one of the largest whirlpools in the world, reaching speeds of 8.5 knots and producing a roaring sound that can be heard 10 miles away.

Atlantic ocean currents are weakening — and it could make the climate in some regions unrecognizable
By Sascha Pare published
A cold blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate could be weakening.

Earth Day: When is it and why do we celebrate it?
By Patrick Pester last updated
Earth Day is an annual global event on April 22 that celebrates Earth and raises public awareness about the environment.

A long-lost ice sheet could predict the future of New York City — one in which Lower Manhattan and Coney Island are 'perpetually submerged'
By Evan Howell published
Scientists are rethinking what we knew about a vanished ice sheet — and that could spell trouble for New York City.

Pair of 'glowing' lava lakes spotted on Africa's most active volcanoes as they erupt simultaneously
By Harry Baker published
Earth from space This false-color satellite photo from 2014 shows the immense heat emanating from lava lakes at the summits of a pair of simultaneously erupting volcanoes in Congo.
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