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Pair of 'holy' islands in eerily green African lake hold centuries-old relics and mummified emperorsEarth from space A 2017 astronaut photo shows the islands of Dek and Daga lurking in the murky, algae-infested waters of Ethiopia's Lake Tana. Both islands are home to important monasteries, including the resting place of five mummified emperors.
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Life-size rock art points the way to oldest human inhabitants of Saudi Arabia — and the desert oases they usedArchaeologists in Saudi Arabia have discovered hundreds of rock art engravings that were carved by humans more than 12,000 years ago.
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What's hiding under Antarctica's ice?Antarctica is the fifth-largest continent by size, so what's hiding under its massive sheaths of ice?
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'A challenge and an opportunity for evolution': The extreme, hidden life thriving in Earth's most acidic and alkaline lakes"The most acidic natural inland waters are the lakes that lie in the craters of volcanoes, like Kawah Ijen in Indonesia. These lakes are so rich in sulfuric acid that they may have a pH as low as 0.1. To put this in context, fresh battery acid has a pH of about 0.7. "
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Trio of multicolor lakes look otherworldly in Africa's Great Rift ValleyEarth from space Three closely grouped lakes in Ethiopia's Great Rift Valley have distinctly different hues thanks to a combination of unique features.
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East Africa's Lake Nakuru almost doubled in size in 13 years — and that's bad news for flamingosAfrica's soda lakes are rising and it's decimating the cyanobacteria flamingos have evolved to eat, putting the species at risk of drastic declines if current trends continue.
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Europe's oldest known village teetered on stilts over a Balkan lake 8,000 years agoThe village likely dates to the time of Europe's first farmers, who arrived from Anatolia about 8,000 years ago.
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Stunning 'ice pancakes' swirl on the surface of Scottish riverWildlife experts recently captured footage of frozen discs, known as "ice pancakes," on the surface of a river in Scotland after an unusual cold snap.
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Global Warming Sparks Increased Plant Production in Arctic LakesBiological activity in some Arctic lakes has ratcheted up dramatically over the past 150 years.
