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.
Posts by
Editors of EarthSky
How hard did it rain on Mars?
In a new study, geologists show there was rainfall on Mars in the past – and that it was heavy enough to carve out many of the features we see today on the planet’s surface.
June 6, 2017
Saturn’s moon may have tipped over
Scientists used Cassini spacecraft images to show that Saturn's moon Enceladus may have tipped away from its original spin axis by 55 degrees - more than halfway toward rolling completely onto its side.
June 4, 2017
NASA camera views sunglint from Earth
You'd expect sunglint from an ocean or other body of water. But the camera caught some glints over land as well. A new NASA video explains how scientists solved the mystery.
May 17, 2017
Why birds smash into windows
Up to 1 billion birds die each year in the U.S. due to collisions with windows. Why do birds slam into windows, and what can you do to prevent it?
April 28, 2017
Cassini to begin its Grand Finale
The glorious Cassini spacecraft - now nearly out of fuel - will make the 1st in a daring series of dives through the gap between Saturn and its rings on April 26.
April 21, 2017
Extend Big Dipper’s handle to Spica
Use the Big Dipper to arc to the star Arcturus. Then drive a spike to the star Spica on these springtime evenings!
April 1, 2017
Find Mizar and Alcor in the Big Dipper
Early stargazers used this pair of stars as a vision test.
March 7, 2017
California sediments pour into the sea
Drought plagued California and much of the American Southwest for nearly 5 years before this year. Now satellites see swollen rivers dumping sediments into the sea.
March 6, 2017
Cherry blossoms opening in Japan
In Japan at least, spring has sprung! Are you seeing signs of spring in your hometown?
February 24, 2017
