Warming temperatures may be causing tundra ponds to evaporate or drain into thawing permafrost
Radar instrument aboard a Japanese probe can spot signs of gas seeping from lakes that form as the ground thaws
Millions of years from now, the geologic record of the "Anthropocene" will be littered with plastics, yes, but also chicken bones. Christopher Intagliata reports.
As higher elevations warm, melting glaciers and disappearing snow will create major challenges
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
Marine heat waves, drought and heavy rains in 2017 all bore the fingerprints of climate change
Road de-icing, industrial activity and other culprits are pushing salt levels in rivers and streams to alarming levels
Just 13 percent of the ocean remains largely untouched by human activity
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.
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 farms can cause a cascade of ecological effects, but are still needed to provided cleaner energy supplies
The planet may be more sensitive to warming that previously thought, making climate goals more difficult to meet
A tour of Woodlawn Cemetery in the Bronx, N.Y., focuses on the geology of the landscape and the mausoleums.
A few very brief reports about science and technology from around the globe, including one from Mongolia on horse dentistry.
The hitch, likely only a temporary one, could be linked to certain volcanic features
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.
The magnitude 7.5 earthquake that touched off the tsunami occurred amid a complex puzzle of tectonic plates
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.
A few very brief reports about science and technology from around the globe.
Microbes thrived on ancient Earth, even with very little oxygen