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Mammatus clouds are ominous and beautiful
Mammatus clouds look like bubbling, low-hanging clouds. They're often associated with thunderstorms. Learn more about them and see photos here.
June 24, 2026
Meet the exotic Pink Planet with salty clouds
New observations by the Webb space telescope of the giant exoplanet GJ504b - aka the Pink Planet - show that it has clouds made of salt.
June 23, 2026
Asteroid or comet? Meteor or meteorite? Answers here
A bright light zips through the night sky. But what is it? Asteroid or comet? Find the answers here and share your knowledge with your friends and family.
June 23, 2026
Draco the Dragon and Thuban, a former pole star
Tonight, look for the winding shape of Draco the Dragon in the northern sky. This constellation contains Thuban, a former pole star.
June 23, 2026
Pinocchio frogs seem straight out of a fairy tale
Pinocchio frogs use their extending noses for courtship displays, blending fairy-tale looks with real rainforest survival strategies.
June 22, 2026
Artemis missions target South Pole–Aitken basin on the moon
Two new studies examine the South Pole–Aitken basin on the moon. This region is a future landing site for Artemis astronauts.
June 21, 2026
The northernmost sunset is on the June solstice, today!
The northernmost sunset (and sunrise) happen at the June solstice. Here's some quick info that'll help you connect with nature on this special day.
June 21, 2026
34 dust devils on Mars in 1 shot! Can you spot them all?
The Mars Express orbiter caught this view of the red planet, which is peppered with whirlwinds. Can you spot the 34 dust devils on Mars in this 1 shot?
June 19, 2026
For all of Earth, longest sunsets around the solstice
Here's a natural phenomenon you might never have imagined: the longest sunsets happen around the time of a solstice, no matter where you are on the globe.
June 19, 2026
Does the North Star ever move in the sky?
The North Star is a symbol for constancy. But a video or star trails image reveals that it makes its own little circle around the sky's north pole every day.
June 19, 2026
