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What are hole-punch clouds, aka fallstreak holes?

Have you ever seen a fallstreak hole or hole-punch clouds? They're a type of cloud with a flat layer interrupted by a big hole, often with wisps at the center.

Editors of EarthSky

January 22, 2025

Is social media polarization about to get worse?

Social media behemoth Meta is planning to use crowdsourced 'community notes' for factchecking. Some experts worry this will only increase online polarization.

EarthSky Voices

January 19, 2025

Do aliens exist? What scientists really think

Aliens probably exist according to a survey of more than 1,000 scientists. Nearly 87% of them believe in extraterrestrial life.

EarthSky Voices

January 19, 2025

Starship explodes minutes after launch, planes diverted

SpaceX mission launched its newly upgraded Starship late Thursday, but the ship exploded minutes after launch. No crew was aboard.

Deborah Byrd

January 17, 2025

This Is Wildfire: Tips on preparing yourself and your home

The book "This Is Wildfire" explains why wildfires seem larger and more destructive. Find tips on preparing yourself, your home and your community for wildfire.

Kelly Kizer Whitt

January 11, 2025

Animal spies: The world’s most bizarre secret weapons

Governments have long relied on animal spies for covert operations, enlisting pigeons, cats and, recently, a beluga whale.

EarthSky Voices

January 5, 2025

Equatorial plasma bubbles and their effect on air travel

Equatorial plasma bubbles are pockets of low density in the Earth's ionosphere in regions around the equator. They pose risks to aviation. Read more.

Nick Humphrey

January 3, 2025

When you wish upon a star, is it already dead?

Some cynics say that when you wish upon a star, that star is already dead. But don't listen to them! The stars you can see, and your dreams, are perfectly safe.

EarthSky Voices

January 2, 2025