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Pyrocumulonimbus clouds are fire-generated thunderstorms
This summer, NASA has been studying pyrocumulonimbus clouds, or fire-driven thunderstorms. Researchers are flying planes right into the plumes for samples.
August 20, 2026
Ancient Amazon civilization might have been home to millions
Laser surveys have revealed hundreds of earthworks in the Amazon. Researchers estimate the ancient Amazon civilization could have supported 3 million people.
August 14, 2026
Why the Spokane wildfires became so catastrophic
Spokane wildfires show wildfire risk is growing, but preparedness, resilient communities and smarter land management can reduce future losses.
August 5, 2026
It’s Katmai bear cam season! Livestream here
The world-famous Katmai bear cam is live! Watch brown bears at Katmai National Park now and explore the livestream to learn more about these incredible animals.
July 30, 2026
Meteotsunami hits Lake Winnebago after Wisconsin tornado
A meteotsunami occurs when a weather system causes the entire body of water to oscillate, creating sudden changes in water level along the shore.
July 29, 2026
Jimothy the raccoon is a survivor! Here’s why
Jimothy the raccoon has an inspiring story, showcasing how an animal can adapt - especially with the help of his mother - to overcome extraordinary challenges.
July 29, 2026
Earthquake in Japan triggers mall collapse in Kumamoto
A powerful earthquake in Japan caused a mall to collapse, leaving people missing and injured. The Japan Meteorological Agency said it registered magnitude 7.1.
July 28, 2026
What’s an airplane glory? Here’s how to spot one
An airplane glory is easy to see, if you watch for it. It's the plane's shadow cast on a cloud, or the ground, surrounded by a halo of light.
July 28, 2026
Walking shark discovered in Papua New Guinea
Shark Week begins with a remarkable discovery: scientists have identified a new walking shark, proving the ocean still holds secrets worth protecting.
July 27, 2026
Can sharks smile? It’s Shark Week! Enjoy these shark videos
Can sharks smile? Not likely. But dogs, monkeys and dolphins all show expressions akin to human smiles. Learn more about sharks during Shark Week.
July 26, 2026
