Environment
- Oceans
Before altering the air, microbes oxygenated large swaths of the sea
Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.
- Animals
The axolotl is endangered in the wild. A discovery offers hope
Introducing captive-bred axolotls to restored and artificial wetlands may be a promising option for the popular pet amphibian.
- Physics
Here’s how we might generate electricity from rain
Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.
- Oceans
How will the LA fires affect the ocean? These researchers are racing to find out
Scientists aboard a research vessel near Los Angeles collected ash, air and water samples as fire blazed on the hills before them in January.
- Climate
Hidden Antarctic lakes could supercharge sea level rise
An overlooked Antarctic water system could raise sea levels by more than 2 meters by 2300, computer simulations show.
- Environment
Fires in the Amazon forest may melt sea ice in Antarctica
Satellite data reveal a link between the amount of black carbon in the atmosphere and rates of Antarctic sea ice loss in recent years.
- Climate
A lush, green Arabian Desert may have once linked Africa and Asia
Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.
- Earth
The ozone layer shields life on Earth. We’ll soon lose a key way to monitor its health
Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.
- Earth
Wildfires and farm fertilizer use are fueling ozone pollution
Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.
- Climate
Some trees are coping with extreme heat surprisingly well
Rising temperatures could reduce trees' ability to photosynthesize. Scientists are trying to figure out just how close we are to that point.
- Animals
How a puffin patrol in Iceland is saving the iconic seabirds
Light pollution disorients young puffins. The Puffling Patrol helps them find their way to the sea.
- Climate
Yes, you can blame climate change for the LA wildfires
Weather data show how humankind’s burning of fossil fuels made the hot, dry, windy weather more likely, setting the stage for the Los Angeles wildfires.
