Author Archives: Shannon Hall

Looming Landslide Stokes Fears, May Help Disaster Predictions

Rattlesnake Ridge is collapsing in Washington State. As residents hurry to safety, scientists try to figure out which way rocks will fall

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The Labs That Forge Distant Planets Here on Earth

High-pressure experiments explore what it might take to make exoplanets habitable

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Drones Peer inside a Volcano

The unmanned aircraft offer an intimate look at a crater’s fiery inner workings

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Scientists Closing in on the Dawn of Plate Tectonics

The massive slabs of Earth’s crust might have started their journey more than 3.5 billion years ago

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Volcanoes May Have Triggered the Last Unexplained Mass Extinction

Volcanic eruptions have now been tied to all five major mass extinctions

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Bizarro Life-Forms Inhabiting Deep-Sea Vents May Be at Risk

New findings add a layer of complexity to how highly specialized animals colonized these unique environments

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Clues Emerge in Mystery of Flickering Quasars

Some of the universe’s most luminous objects have disappeared much faster than expected

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Earth’s Tectonic Activity May Be Crucial for Life–and Rare in Our Galaxy

A new study finds plate tectonics may be hard to sustain on exoplanets

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What to Believe in Antarctica’s Great Ice Debate

Although not all the studies agree, most climate scientists argue that, yes, Antarctica is losing mass in a warming world 

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Ravenous Supermassive Black Holes May Sterilize Nearby Planets

A new study sheds light on how damaging black holes can be to the habitability of planets throughout the Milky Way and the universe

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Found: Thousands of Man-Made Minerals–Another Argument for the Anthropocene

Future geologists will find thousands of human-made minerals in the ruins of our civilization

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Volcanic Eruption May Have Plunged the Maya into a "Dark Age"

A new study of ancient ash links an El Chichón eruption to a time of inexplicable cultural upheaval in Maya history

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Celestial Cartography Is in the Midst of a Dramatic Upgrade

A new map of the Milky Way will improve understanding of stellar physics—and ultimately of our galaxy’s entire history

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Numbers Cruncher: Why Trump’s Win Blindsided the Big Polls

Changing technology and fickle humans are pushing art into the science of aggregating surveys

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Numbers Cruncher: Why Trump’s Win Blindsided the Big Polls

Changing technology and fickle humans are pushing art into the science of aggregating surveys

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Upcoming Galaxy Map Could Radically Transform How We See the Milky Way

The Gaia spacecraft’s new chart may drastically improve our understanding of the physics of stars, and ultimately of our galaxy’s entire history

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Hellish Venus Might Have Been Habitable for Billions of Years

A team of astronomers think the torrid and toxic world was once a cozy home for potential life

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A Volcano Might Be Brewing under Rome’s Suburbs

Testing the limits of predictions, some geologists say long-silent Colli Albani might be starting a new eruption phase

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LIGO Discoveries Will Help Scientists Run Stellar Autopsies on Colliding Black Holes

Now that astronomers have detected gravitational waves, they are seeking the origins behind the black hole duos that give rise to them

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Underwater "Lost City" Built by Microbes?

Geologists find that ancient underwater structures off Greece were likely created by methane jets and bacteria

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Will Moose Thrive or Die Because of Climate Change?

The animals are expanding northward as the Arctic heats up, yet new diseases of a warmer world are taking a toll

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Gravitational Waves from Black Hole Megamergers are Weaker than Predicted

A search for low-frequency “hums” from supermassive black holes comes up empty

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A River Once Ran through the Sahara [Graphic]

In full flow it would rank 11th among the largest rivers today

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