Arctic Lakes Are Vanishing by the Hundreds
Warming temperatures may be causing tundra ponds to evaporate or drain into thawing permafrost
EARTH527 articles archived since 1845
Satellite Spies Methane Bubbling up from Arctic Permafrost
Radar instrument aboard a Japanese probe can spot signs of gas seeping from lakes that form as the ground thaws
Big-Boned Chickens May Be Humans' Geologic Legacy
Millions of years from now, the geologic record of the "Anthropocene" will be littered with plastics, yes, but also chicken bones. Christopher Intagliata reports.
People Living on Mountains Face Avalanche of Climate Risks
As higher elevations warm, melting glaciers and disappearing snow will create major challenges
5 Years of Record Warmth Intensify Arctic's Transformation
Sea ice is the thinnest it's been at any time in the last 30 years, and wild reindeer and caribou populations continue to decline
Extreme Events "Virtually Impossible" without Warming
Marine heat waves, drought and heavy rains in 2017 all bore the fingerprints of climate change
Freshwater Is Getting Saltier, Threatening People and Wildlife
Road de-icing, industrial activity and other culprits are pushing salt levels in rivers and streams to alarming levels
The Ocean's Wilderness Areas Are Smaller Than You Think--and They're Disappearing Fast
Just 13 percent of the ocean remains largely untouched by human activity
Blue Whales Have Changed Their Tune
In the last few decades blue whale calls have been getting lower in pitch—and a rebound in their numbers may be the reason. Christopher Intagliata reports.
Scientists Spot Giant Crater Hidden under Greenland's Ice
The enormous crater is among the 25 largest known on Earth, and likely came from a meteorite impact within the past three million years
Wind Turbines Can Act Like Apex Predators
Wind farms can cause a cascade of ecological effects, but are still needed to provided cleaner energy supplies
The Oceans Are Heating Up Faster Than Expected
The planet may be more sensitive to warming that previously thought, making climate goals more difficult to meet
Bones and Stones: Cemetery Geology
A tour of Woodlawn Cemetery in the Bronx, N.Y., focuses on the geology of the landscape and the mausoleums.
Science News Briefs from around the Globe
A few very brief reports about science and technology from around the globe, including one from Mongolia on horse dentistry.
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
Solar Eclipse Was a Buzzkill for Bees
Bees suddenly fell silent when the sun disappeared during last year's solar eclipse—perhaps because they were tricked into night mode. Christopher Intagliata reports.
Indonesian Tsunami Was Powered by a Deadly Combo of Tectonics and Geography
The magnitude 7.5 earthquake that touched off the tsunami occurred amid a complex puzzle of tectonic plates
More People, but Less Hardship?
Bill & Melinda Gates Foundation CEO Sue Desmond-Hellmann talks about the just-issued Goalkeepers Report, tracking progress against poverty and disease even as the population keeps rising.
Science News Briefs from Around the World
A few very brief reports about science and technology from around the globe.
The Search for ET May Be Missing Life on Low-Oxygen Worlds
Microbes thrived on ancient Earth, even with very little oxygen