Brown Tree Snakes Twist Themselves into ‘Lassos’ to Climb
The reptiles scale trees with a technique never before observed in any snake
Stories by Stephanie Pappas
Human-Made Stuff Now Outweighs All Life on Earth
The sheer scale of buildings, infrastructure and other anthropogenic objects underscores our impact on the planet
Earthquake Sounds Could Reveal How Quickly the Ocean Is Warming
A new way of measuring the temperature of the seas could fill in gaps left by limited direct monitoring
How COVID-19 Deaths Are Counted
Assigning a cause of death is never straightforward, but data on excess deaths suggest coronavirus death tolls are likely an underestimate
Salamanders and Frogs Light Up with Secret Superpower
Every species of amphibian tested in a new study had the ability to fluoresce under blue or ultraviolet light
A Tiny Leak Led to a Massive, Unexpected Collapse at Kilauea Volcano
Its caldera’s dramatic, surprisingly slow collapse could point to other risks worldwide
Viking History Is Melting Away in Greenland
Climate change is already rotting archaeological sites in the Arctic, and Norse Viking-era settlements are at high risk
Tiny, Snackable Fish Are Linchpins of Coral Reef Ecosystems
Fish that are so small and shy that they escape attention may be the foundation of reefs’ outsize productivity
Deadly Volcanic Flows Glide on Their Own Cushion of Air
The discovery helps explain why pyroclastic flows can travel so far, so fast
Amphibian-Killing Invasive Fungus Causes Record Wildlife Loss
The chytrid fungus has hit 500 species of amphibians, driving dozens to extinction in recent decades
How Security Experts Track North Korea’s Nuclear Activity
Remote techniques can detect signs of active testing—but they don’t tell us everything
“Ghost Gear” Haunts the Oceans in a Growing Threat
Tons of dumped nets and other fishing equipment are strangling animals and habitats
Why Diving Tectonic Plates Get Stuck 400 Miles beneath Earth's Surface
The hitch, likely only a temporary one, could be linked to certain volcanic features
Humans Contribute to Earth’s Wobble, Scientists Say
Droughts, melting ice and rising seas linked to anthropogenic climate change are altering the planet’s motions
Enormous Iceberg Pirouettes after Splitting from Ice Shelf
The Delaware-size chunk of ice has been snagging on rises on the ocean floor
How Fast Are Glaciers Melting? Just Listen to Them
Underwater microphones can glean valuable data from the burbles and pops of thawing glaciers and icebergs
Taming the Mighty Mississippi May Have Caused Bigger Floods
Human meddling with the river is blamed for most of the rise in flood levels, but the role of climate remains unclear
Northern White Rhinos Are about to Die Out--Should We Save Them?
Conservationists debate whether IVF efforts are the best use of limited resources
A New Type of Tardigrade Just Turned Up in a Parking Lot
This micro-creature was found on a small piece of moss in Japan
280-Million-Year-Old Fossil Forest Discovered in Antarctica
Newfound fossils reveal what forests might look like as they march northward in today's warming world
