Air pollution increases thunderstorm danger

Researchers studying thunderstorms in urban areas found that air pollution leads to more cloud-to-ground lightning strikes.

LIVE on Monday: What’s Phil thinking of NOW? GAIA

What's Phil thinking? Join Phil Plait, The Bad Astronomer, beginning at 12:15 p.m. central (17:15 UTC) on Monday, August 12 ... to hear him talk about GAIA.

Cities worldwide now building up instead of out

A new study shows that cities around the globe have largely transitioned from growing outward to growing upward. See charts and more here.

Extreme weather: We haven’t seen the worst yet

Earth's climate is now changing so rapidly that traditional meteorological forecasting models are failing to predict extreme weather.

The flavor of our galaxy … raspberries and rum?

Is the flavor of our galaxy rum and raspberries? One study suggested it might be, and Torani used this as inspiration for their 2024 flavor of the year: Galaxy.

LIVE ON MONDAY: It’s time for the Perseid meteor shower!

Meteor experts will be answering your questions LIVE in EarthSky's weekly livestream, beginning at 12:15 central (17:15 UTC) on Monday, August 5. Join us!

LIVE on Monday: Climate chaos with Daniel Swain

Climatologist Daniel Swain will discuss climate change and extreme weather LIVE with EarthSky at 12:15 p.m. (17:15 UTC) on Monday, July 29. Join us!

Summer Olympics: 128 years of history in 5 charts

Paris hosts the Summer Olympics from July 26 to August 11, 2024. See a history of the sports and athletes in five charts here.

Spot a fake, AI-generated image by looking at the eyes

A method astronomers use to measure light from galaxies can also be used to tell whether a photo of someone is real or a deepfake AI-generated image.

Will the official definition of a planet change … again?

Astronomers will vote on a new definition of a planet in August 2024. The update would include exoplanets and set mass limits.

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