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Severe weather, tornadoes possible Sunday and Monday

Severe weather, tornadoes are possible across parts of the U.S. Sunday and Monday, May 17 and 18, 2026. Plus large hail, damaging wind gusts.

Rachel Duensing

May 17, 2026

The Denali sled dog puppy cam is now live!

The Denali sled dog puppy cam is now live! Watch this year's recruits tumble and play in Alaska at the Denali Kennels. Read more about the sled dogs here.

Kelly Kizer Whitt

May 14, 2026

When the asteroid killed the dinosaurs: Blow-by-blow account

What happened when the asteroid killed the dinosaurs some 66 million years ago? Read a blow-by-blow account of what the dinosaurs underwent.

EarthSky Voices

May 13, 2026

Do birds have accents? Regional differences in birdsong

Do birds have accents? Yes. From individual to geographical variation, here's why birds of the same species don't always sound the same.

EarthSky Voices

May 8, 2026

2025 Alaska megatsunami shows need for warning system

A 2025 Alaska megatsunami sent a 1,580-foot wave of water up a fjord. It revealed the need for a landslide-triggered tsunami warning system.

EarthSky Voices

May 8, 2026

Von Kármán vortices are mesmerizing, swirling clouds

See von Kármán vortices - mesmerizing, swirling pattern of clouds - in these satellite images. These clouds form when the wind hits a barrier like a mountain.

Editors of EarthSky

May 8, 2026

Why are scorpion stings so painful? Metal stingers!

Metal-tipped stingers and pincers could explain why scorpion stings and pinches are so painful. A new study has explored this amazing feature in more detail.

Shireen Gonzaga

May 7, 2026

What is a derecho? And when is derecho season?

Derechos are fast-moving, widespread wind storms that can produce wind gusts of hurricane-force. Derecho season is during warm months of the year in the U.S.

Rachel Duensing

May 7, 2026