New ozone-destroying gases on the rise
Scientists report that chemicals that are not controlled by a United Nations treaty designed to protect the Ozone Layer are contributing to ozone depletion.
Ancient rocks show life could have flourished on Earth 3.2 billion years ago
A spark from a lightning bolt, interstellar dust, or a subsea volcano could have triggered the very first life on Earth. But what happened next? Life can exist without oxygen, but without plentiful nitrogen ...
Warming pushes Western US toward driest period in 1,000 years
During the second half of the 21st century, the U.S. Southwest and Great Plains will face persistent drought worse than anything seen in times ancient or modern, with the drying conditions "driven primarily" ...
Eight million tons: Researchers calculate the magnitude of plastic waste going into the ocean
A plastic grocery bag cartwheels down the beach until a gust of wind spins it into the ocean. In 192 coastal countries, this scenario plays out over and over again as discarded beverage bottles, food wrappers, ...
Team finds earliest evidence of large-scale human-produced air pollution in South America
In the 16th century, during its conquest of South America, the Spanish Empire forced countless Incas to work extracting silver from the mountaintop mines of Potosí, in what is now Bolivia—then the largest ...
Electricity from biomass with carbon capture could make western US carbon-negative
Generating electricity from biomass, such as urban waste and sustainably-sourced forest and crop residues, is one strategy for reducing greenhouse gas emissions, because it is carbon-neutral: it produces ...
Earth's surprise inside: Geologists unlock mysteries of the planet's inner core
Seismic waves are helping scientists to plumb the world's deepest mystery: the planet's inner core.
Scientists discover organism that hasn't evolved in more than 2 billion years
(Phys.org)—An international team of scientists has discovered the greatest absence of evolution ever reported—a type of deep-sea microorganism that appears not to have evolved over more than 2 billion ...
To speed up magma, add water
It was a bit like making a CT scan of a patient's head and finding he had very little brain or making a PET scan of a dead fish and seeing hot spots of oxygen consumption. Scientists making seismic images ...
Climate models don't over-predict warming, study shows
If you listen to climate change skeptics, Earth's surface hasn't warmed appreciably in the last 15 years, and any "record" set last year is just the result of the planet doing what the planet naturally does.
Climatic history study suggests pre-Columbian Mesoamerican society's demise was more complex than just weather
Global warming doubles risk of extreme La Nina event, study shows
The risk of extreme La Niña events in the Pacific Ocean could double due to global warming, new research has shown.
Doubt cast on global firestorm generated by dino-killing asteroid
Pioneering new research has debunked the theory that the asteroid that is thought to have led to the extinction of dinosaurs also caused vast global firestorms that ravaged planet Earth.
Two lakes beneath the ice in Greenland, gone within weeks
Researchers who are building the highest-resolution map of the Greenland Ice Sheet to date have made a surprising discovery: two lakes of meltwater that pooled beneath the ice and rapidly drained away.