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Zombie NASA satellite emits powerful radio pulse after 60 years of silenceLast year, astronomers detected a powerful burst of radio waves from within our galaxy. Researchers now say it came from NASA's defunct Relay 2 satellite — but they're not sure what caused it.
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Scientists invent photosynthetic 'living' material that sucks CO2 out of the atmosphereScientists have developed a material with photosynthetic bacteria that convert carbon dioxide into a mineral skeleton. The material hardens over time, so it could be used for buildings, they say.
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There's a 'ghost' plume lurking beneath the Middle East — and it might explain how India wound up where it is todayResearchers have discovered an unusual plume of magma beneath Oman that may have changed the course of the Indian tectonic plate between 25 million and 40 million years ago.
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Taal Lake: The volcanic crater that has 'an island within a lake, within an island within a lake, within an island'Taal Lake on Luzon Island in the Philippines is a volcanic crater lake with a rare geology of nested islands and water.
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Ancient groundwater records reveal worrying forecast for US SouthwestGroundwater records from the last ice age indicate that aquifers in the U.S. Southwest are more sensitive to global warming than aquifers in the Pacific Northwest.
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Indonesia's Lewotobi Laki-laki volcano erupts twice in 2 days, unleashing 6-mile-high ash cloudMount Lewotobi Laki-laki erupted on Tuesday and Wednesday, unleashing gigantic ash plumes and showering villages with volcanic debris.
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Covering poop lagoons with a tarp could cut 80% of methane emissions from dairy farms"Digesters" that convert methane from manure ponds into fuel can dramatically reduce emissions of this potent greenhouse gas on dairy farms, scientists have found.
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Industrial waste is turning into a new type of rock at 'unprecedented' speed, new study findsSamples from slag cliffs in England reveal industrial waste products can turn into rock in less than four decades, challenging assumptions about how rocks form.
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How much gold is there in the world?How much gold have humans mined to date, and how much is left?
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Scientists discover strong, unexpected link between Earth's magnetic field and oxygen levelsEarth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting the two factors are linked in some way, researchers say.
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Russian scientists discover a new island in the Caspian Sea — the world's largest inland body of waterResearchers have confirmed the existence of a new island in the northern part of the Caspian Sea, but they haven't managed to land on it yet.
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Lake Natron: The caustic, blood-red lake in Tanzania that turns animals to 'stone'Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.
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Record-breaking piles of sargassum seaweed wash up on Caribbean beaches, with more on the wayRecord amounts of sargassum are floating in the Caribbean Sea and ending up on beaches from Puerto Rico to Guyana — but scientists aren't sure why there's so much of it in the first place.
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Earth's energy imbalance is rising much faster than scientists expected — and now researchers worry they might lose the means to figure out whyFor reasons still unknown, Earth's energy imbalance is rising much faster than models can account for. Now, scientists are calling for long-term investment in monitoring capability, so that they can make informed predictions about climate change.
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The closer a volcano is to erupting, the greener the trees around it look from spaceScientists have found a way to monitor volcanic carbon dioxide levels — one of the first signs a volcano might be about to blow — that doesn't involve trekking up a mountain.
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Kilimanjaro's giant groundsels: The strange plants that thrive on Africa's tallest mountainGiant groundsels are rare plants that grow up to 30 feet (9 meters) tall. They are endemic to the slopes of Mount Kilimanjaro, a dormant volcano in Tanzania and Africa's tallest mountain.
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Tropical storm Alvin will form in next 48 hours, forecasters say — kicking off this year's Pacific hurricane seasonA tropical storm is brewing over the Eastern Pacific south of Acapulco. Clouds and thunderstorms that have been gathering for days will organize in the next 48 hours and could develop into a hurricane.
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Insects: Facts about the creepy-crawlies that make up more than half of the world's animal speciesDiscover interesting facts about insects, the critters whose combined weight on the planet is 70 times that of all humans.
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The decline of key Atlantic currents is underway, and it's been flooding parts of the US for 20 yearsNew research has linked sea level rise and an increase in flooding in the U.S. Northeast over the past 20 years to the breakdown of the Atlantic Meridional Overturning Circulation (AMOC).
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North America's 'broken heart': The billion-year-old scar from when the continent nearly ripped apartThe Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North America's "broken heart," it is filled with solidified magma and lava.
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Scientists think a hidden source of clean energy could power Earth for 170,000 years — and they've figured out the 'recipe' to find itResearchers have compiled a list of "ingredients" that could help resource exploration companies locate huge reservoirs of clean hydrogen, a critical element in the transition away from fossil fuels.
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See the reconstructed home of 'polar dinosaurs' that thrived in the Antarctic 120 million years agoFossil sites in Australia hold pollen and spores from the dinosaur age, when the island straddled the Antarctic Circle. Now, scientists have re-created the habitat of "polar dinosaurs," using these plant remains.
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Big cats quiz: Can you get the lion's share of these questions right?Quiz How good is your knowledge of big cats? Let's find out if you've got the eye of the tiger in this quiz.
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Jellyfish Lake: Palau's saltwater pool with a toxic bottom and surface waters brimming with millions of jellyfishPalau's Jellyfish Lake is home to millions of endemic golden jellies that live in the lake's top layer but never venture below 50 feet, where the water is saturated with poisonous gas.
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