Earth
-
Astronomy
New data show how quickly light pollution is obscuring the night sky
Tens of thousands of observations from citizen scientists spanning a decade show that the night sky is getting about 10 percent brighter every year.
-
Climate
Cyclones in the Arctic are becoming more intense and frequent
Over the last 70 years, boreal storms have steadily grown stronger. And climate change may make them worse, threatening both people and sea ice.
By Nikk Ogasa -
Physics
A powerful laser can redirect lightning strikes
In a mountaintop experiment, a laser beamed into the sky created a virtual lightning rod that snagged several bolts before they hit the ground.
-
Chemistry
How rare earth elements’ hidden properties make modern technology possible
Because of their unique chemistry, the rare earth elements can fine-tune light for many different purposes and generate powerful magnetic fields.
By Nikk Ogasa -
Science & Society
Sea life offers a lens for self-exploration in ‘How Far the Light Reaches’
In a collection of essays profiling 10 marine animals, author Sabrina Imbler mixes in stories of their own family, self-discovery, sexuality and healing.
By Aina Abell -
Earth
Rare earth mining may be key to our renewable energy future. But at what cost?
We take you inside Mountain Pass, the only rare earth mine in the United States.
-
Earth
Indigenous people may have created the Amazon’s ‘dark earth’ on purpose
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient dark soils found in the region.
By Freda Kreier -
Climate
Extreme weather in 2022 showed the global impact of climate change
Heat waves, floods, wildfires and drought around the world were exacerbated by Earth’s changing climate.
-
Earth
No, Yellowstone isn’t about to erupt, even after more magma was found
A new study offers the best views yet of what lurks beneath the Yellowstone supervolcano.
-
Climate
2022’s biggest climate change bill pushes clean energy
Experts weigh in on the pros and cons of the United States’ first major climate change legislation, the Inflation Reduction Act, signed this year.
By Nikk Ogasa -
Earth
The Hunga Tonga volcano eruption touched space and spawned a lightning blitz
The eruption of the Hunga Tonga-Hunga Ha’apai volcano in the Pacific Ocean earlier this year was one for the record books — in several surprising ways.
-
Earth
Hawaii’s Mauna Loa volcano is erupting. Here’s what you need to know
A geophysicist with the U.S. Geological Survey answers questions about the recent eruption of the world's largest active volcano.