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Large wildfires create fire weather: A vicious loop
Large wildfires create fire weather, resulting in a vicious loop. The fires create dark clouds of soot that increase temperatures and dry out the atmosphere.
June 21, 2024
It’s summer. What’s noon to you? Midday? High noon?
What do you mean by noon? Do you define it by your clock or wristwatch? Or the gnawing in your stomach? Here's how astronomers think about noontime.
June 20, 2024
Katmai bear cam season begins now! Livestream here
The world-famous Katmai bear cam season begins June 20, 2024. Find the livestream here and learn more about brown bears and Katmai National Park.
June 20, 2024
Heatwave in U.S. East as 2024 summer begins
Heatwave in U.S. East! It's scorching the eastern half of the U.S. as summer sets in. More on the heatwave and a new heat risk map, here.
June 19, 2024
New pterosaur species found in Queensland, Australia
A fossil unearthed in western Queensland, Australia, is a new species of pterosaur. Scientists named it Haliskia peterseni.
June 19, 2024
What is the equation of time? And what is noon, for you?
The difference between apparent solar time (the actual time between noons) and mean solar time (the average time between noons) is called the equation of time.
June 18, 2024
Incredible sea rays: Lifeform of the week
Sea rays are descendants of sharks. They have strong teeth and some can be dangerous with stingers or electric discharges.
June 17, 2024
Carbon capture is controversial, but it may be crucial
Carbon capture - first used in the 1920s - has a critical role in reaching net zero emissions of the greenhouse gas carbon dioxide.
June 16, 2024
What does summer mean to you?
What does summer mean to you? Here are some of the answers you shared on social media. And tune in to our livestream on June 17, at 12:15 p.m. CDT.
June 16, 2024
What is the heliosphere and how can we measure it?
The heliosphere is a bubble of solar gas that extends outward and protects the planets from interstellar radiation. Scientists would like a probe to study it.
June 14, 2024
