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Posts by
Kelly Kizer Whitt
Pyrocumulonimbus clouds are thunderheads spawned by fires
Pyrocumulonimbus clouds are fire-driven thunderstorms. The storms can produce lightning and strong winds that make the fire situation worse.
May 1, 2026
Western US wildfires fewer, but more destructive
A look at western US wildfires over the past 30 years shows they are becoming less frequent. But fires that pop up are also larger and more damaging.
April 30, 2026
Falcon rocket will hit the moon on August 5
A Falcon 9 rocket will hit the moon on August 5, 2026. How fast will it be going? Will we be able to see it? Answers and more here.
April 30, 2026
The biggest US supervolcanoes you’ve never heard of
Two of the biggest US supervolcanoes erupted millions of years ago, and you’ve probably never heard of them: Wah Wah Springs and La Garita.
April 28, 2026
Crater the Cup sits upon Hydra the Snake’s back
Crater the Cup is a dim constellation that sits on the back of Hydra the Water Snake. You can see Crater best on March, April and May evenings in a dark sky.
April 26, 2026
See great pics of Comet R3 PanSTARRS from our community
Comet R3 PanSTARRS is closest to Earth on April 26. See a cool image from a sun-watching spacecraft, and these fantastic community photos.
April 25, 2026
Milky Way season is back! See gorgeous pics here
Enjoy the beauty of our home galaxy in these images from the start of the Milky Way season, thanks to our talented EarthSky community!
April 25, 2026
Lights out for birds during spring migration!
Turn the lights out for birds during spring migration. And check out the links here to maps that show when birds are passing over the area where you live.
April 22, 2026
A pileus cloud means bad weather is on the way
A pileus cloud looks like a curved, white cap on the top of a towering cumulus cloud. Pileus clouds are a sign that bad weather is on the way.
April 22, 2026
See Antlia the Air Pump on April evenings
Antlia the Air Pump is a constellation that lies in southern skies. It contains dim stars and galaxies, including NGC 2997.
April 16, 2026
