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It’s smoky in the Pacific Northwest
The smoke is from wildfires, an increasingly common occurrence at this time of year. It can't be welcome news to those who've planned trips to that area for the August 21 total solar eclipse.
August 10, 2017
Intense Antarctic melt season causes decade-long effects
Multi-decade study reveals changes in Antarctica's Dry Valleys and suggests "significant transformations of Antarctic ecosystems are underway now and will continue to be affected by future climate events."
August 8, 2017
Earth’s eclipses are special
Solar eclipses aren't exclusive to Earth, but eclipses viewed from our planet have few rivals in the solar system. A word about Earth's solar eclipses, and what eclipses would be like on other planets, here.
August 3, 2017
To restore soils, feed the microbes
Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases.
August 3, 2017
Gauging Arctic’s summer sea ice melt
This past winter, Arctic sea ice extent sank to a record low for the 3rd straight year. Now, NASA is looking at the summer melt season's impact on the Arctic's oldest, thickest sea ice.
July 27, 2017
How to watch Shark Week
This is a week of dueling shark-athons on television. A biologist advises viewers to take what they see with a large grain of sea salt.
July 24, 2017
Synchronized symphony of fireflies
This video shows a timelapse journey through Smoky Mountains National Park during world's largest gathering of synchronized fireflies. Beautiful!
July 24, 2017
Global methane levels hitting new highs
Here's why, after a 2000-era plateau, global levels of the greenhouse gas are hitting new highs.
July 19, 2017
Fire ants build with no master plan
Researchers identified simple behavioral rules that allow these tiny creatures to collaboratively build elaborate structures - rafts and towers - with no one in charge.
July 18, 2017
Moon shadow versus sun reflection
This 5-second video shows a reflected image of the sun - a sun glint - as a bright spot crossing Earth from right to left. It also shows a dark spot - the moon's shadow - moving the opposite way.
July 17, 2017
