Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Blame asteroid for demise of dinosaurs, not volcanoes
Did an asteroid cause the demise of dinosaurs? Or was it volcanoes, or both? A new study said the huge Chicxulub asteroid impact is still to blame.
January 6, 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.
January 5, 2025
Right whales have a longer lifespan than scientists thought
Right whales in the Southern Ocean have a median lifespan of around 74 years. And they can live for up to 130 years, twice as long as scientists thought.
January 5, 2025
Last night’s moon blotted out Saturn. Pics here!
The moon blotted out Saturn last night, in an event called an "occultation" by astronomers. See photos here from the EarthSky community.
January 5, 2025
Canis Major and brilliant Sirius in the New Year
Canis Major the Greater Dog is most famous for being home to the brightest star in the sky, Sirius. You can see it in January following Orion from the horizon.
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.
January 3, 2025
Mystery dark spot on Enceladus intrigues scientists
Scientists found an unusual dark spot on Enceladus while looking at old images sent back by Cassini. The odd reddish-brown patch faded away over 3 years.
January 2, 2025
Deep-sky photos for December 2024: Editor’s picks
Enjoy this gallery of deep-sky photos for December 2024 from our EarthSky community. If you have a great photo to share, send it in. We love to see them!
January 2, 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.
January 2, 2025
What is the Big Bang?
In the view of modern cosmologists, the Big Bang is the event that marked the birth of our universe. What was it - when was it - and what are modern theories?
January 1, 2025
