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There's 13 Great Lakes' worth of water hidden beneath the contiguous US, new map revealsResearchers used 1 million data points and a machine learning algorithm to estimate groundwater stores with higher resolution than ever before.
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Microbes in Iceland are hoarding nitrogen, and that's mucking up the nutrient cycleA study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.
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Last year, the oceans absorbed a record-breaking amount of heat — equivalent to 12 Hiroshima bombs exploding every secondIn 2025, the ocean absorbed an extra 23 zettajoules of heat energy in 2025, breaking the ocean heat content record for the ninth consecutive year.
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Arctic 'methane bomb' may not explode as permafrost thaws, new study suggestsMethanotrophs, including those that capture methane from the air, seem to outcompete methanogens in dry environments, a new study shows.
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Earth's magnetic field has a weak spot — and it's getting bigger, putting astronauts and satellites at riskThis could be bad news for satellites and spacefarers.
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Weird symmetry between Earth's Northern and Southern Hemispheres appears to be breakingThe Northern Hemisphere is absorbing more sunlight than the Southern Hemisphere, and clouds can no longer keep the balance.
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Lake Superior rocks reveal build up to giant collision that formed supercontinent RodiniaUsing paleomagnetic samples collected along the shores of Lake Superior, a new study illuminates the movement of a billion-year-old paleocontinent as it crept south toward a tectonic collision.
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Scientists say these North American rivers 'shouldn't exist.' Here's why they do.At first glance, these waterways make no sense. A new review article details why they are the way they are.
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Ancient seafloor spreading 15 million years ago caused sea levels to plummetBetween 15 million and 6 million years ago, a drop in ocean crust production may have lowered sea level by 26 to 32 meters.
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Antarctica ice melt could cause 100 hidden volcanoes to eruptMore than 100 volcanoes lurk beneath the surface in Antarctica. Ice sheet melt could set them off.
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A Chinese spacecraft burned up over Los Angeles. Earthquake sensors mapped its path through the atmosphere.A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.
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Massive Antarctic icebergs' split from glaciers may be unrelated to climate changeThe first analysis of extreme calving events in Antarctica finds no correlation with climate change, highlighting the significance of common, smaller calving events for ice loss and instability.
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Time moves faster on the moon, new study of Einstein's relativity showsUsing Einstein's theory of general relativity, physicists found that clocks on the moon would run 56 microseconds faster than clocks on Earth. That finding will help future lunar missions navigate.
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Mass extinctions make life 'bounce back stronger,' controversial study suggestsLarge-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.
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'Cryptic carbon' may leak from volcanoes millions of years after eruptions endDissolved carbon dioxide may have bubbled up from magma far below Earth's surface, contributing to prolonged warming.
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Meet FRED: The world's 1st-ever, nearly complete fossil databaseThe near-complete database reflects a spirit of trust and collaboration among the country’s scientific community — but will it last?
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Huge lithium deposits are in Nevada. Here's why.Nevada is becoming a major producer of lithium, thanks to topography, climate, and geologic serendipity.
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Rain helps the ocean trap more carbonRain has so far been ignored in calculations of the ocean's capacity to take up carbon, but a new estimate shows it enhances the ocean sink by 5% to 7%.
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How a catastrophic volcanic eruption on the North Korea border created 'Heaven Lake'More than a thousand years ago, Heaven Lake flooded the surrounding area when the Changbaishan-Tianchi volcano, on the border between China and North Korea, erupted.
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Mystery iron-rich magma entombed in dead volcanoes could be rich source of rare earth elementsExperiments show how concentrations of rare earth elements, critical to the green energy transition, might be hiding in plain sight in iron-rich deposits around the world.
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Tonga eruption that poured 150 metric megatons of water vapor into the stratosphere affected the atmosphere for yearsA new study builds on previous research into the underwater volcano's effects on the climate.
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Ancient Egyptians used so much copper, they polluted the harbor near the pyramids, study findsNew geoarchaeological research shows that metalworking in ancient Egypt led to significant contamination in a nearby port.
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Scientists just found the 'front door' to a massive cave on the moonThe Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.
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Powerful solar eruption temporarily rips 'tail' off Earth's magnetosphereA massive disturbance in the solar wind caused Earth’s magnetosphere to fly without its usual tail.
