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Chocolate Hills: The color-changing mounds in the Philippines that inspired legends of mud-slinging giantsThe Chocolate Hills are 1,776 mounds on Bohol Island in the Philippines where grassy cover turns brown during the dry season.
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Giant structure discovered deep beneath Bermuda is unlike anything else on EarthA thick layer of more than 12 miles of rock may explain why Bermuda seems to float above the surrounding ocean.
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Earth's crust hides enough 'gold' hydrogen to power the world for tens of thousands of years, emerging research suggestsReservoirs of hydrogen gas that form naturally in Earth's crust could help humans decarbonize. The challenge now is finding these accumulations and working out how best to mine them, experts say.
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A huge helium shortage is looming — but ancient rocks in Earth's crust may be hiding massive reservoirsFor decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new helium sources — and finding enormous "carbon-free" reservoirs that could revolutionize the industry.
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Trio of 'black mesas' leftover from Paleozoic era spawn rare sand dunes in the SaharaEarth from space A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The structures are remnants of a single Paleozoic era formation, and have helped to create a series of striking sand dunes.
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Sistema Ox Bel Ha: A vast hidden system that's the longest underwater cave in the worldThis incredible submerged cave network is the longest of its kind in the world and plays a vital role in the region.
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A gulf separating Africa and Asia is still pulling apart — 5 million years after scientists thought it had stoppedThe Arabian and African tectonic plates failed to pull apart 28 million years ago at the Gulf of Suez, but the area hasn't stopped rifting.
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Parts of Arizona are being sucked dry, with areas of land sinking 6 inches per year, satellite data revealsGroundwater extraction has caused parts of the Willcox Basin to subside by up to 12 feet since the 1950s. New research reveals that some areas sunk by 3 feet in just 4 years.
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Breakup of ancient supercontinent Nuna created 'incubators' for complex life, study findsAncient supercontinent Nuna's breakup around 1.5 billion years ago set off a chain of events that made Earth more habitable, new research suggests.
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