Bird names poised for a change, say ornithologists

The American Ornithological Society announced that it will be changing the bird names for some 70 to 80 bird species. Here's why they're doing it.

After the asteroid, dust killed the dinosaurs, study says

Researchers say they've solved a decades-long mystery. They said dust killed the dinosaurs - plain dust from pulverized rock - following an asteroid impact.

Deep-sky photos October 2023: Editor’s picks

Enjoy this gallery of the best deep-sky photos of October 2023 from our EarthSky community. If you have a photo to share, send it in. We love to see them!

A network of life-supporting rivers for Mars?

Could there once have been a network of life-supporting rivers for Mars? A study from Penn State suggests Mars' rivers might once have been common.

Anticrepuscular rays: How to see them

If you want to see anticrepuscular rays, look carefully opposite the direction of the sun. They are most often seen at sunrise or sunset.

Sun activity archive for November 2023

Sun activity archive for November 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Surprise! Plate tectonics helped create Venus’ hellscape

Scientists have long thought that Venus never had plate tectonics. But a new study suggests it did early on, which created the atmosphere we see today.

SpaceX wraps up Starlink launches for October

SpaceX's final Starlink launch for the month took flight from Florida at 23:20 UTC on October 30, 2023. Learn more here.

Hunter’s Moon eclipse photos October 28-29, 2023

The Northern Hemisphere's Hunter's Moon for 2023 was last night. It was near Jupiter. And some parts of the world saw an eclipse. Hunter's Moon eclipse photos here!

New coral reefs and seamounts discovered in the Galápagos

Scientists on a research vessel exploring the Galápagos Islands discovered two deep-sea coral reefs and two previously uncharted seamounts.