Sign Up for Our Amazing Newsletter!

A daily update by email. Science news, great photos, sky alerts.

Your email address will only be used for EarthSky content.
Privacy Policy
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
EarthSky
One Earth. One Sky. EarthSky.
Tonight Space Sun Earth Human Best Places to Stargaze EarthSky Community Photos About Store Donate Contact Us
Subscribe
Tonight
Tonight Brightest Stars Astronomy Essentials Moon Phases Clusters Nebulae Galaxies Favorite Star Patterns Constellations
Constellations
Meet Crux, the constellation of the Southern Cross
Kelly Kizer Whitt
May 24, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for May
Marcy Curran
May 24, 2026
Brightest Stars
Meet Regulus, Leo the Lion’s Heart and brightest star
Larry Sessions
May 22, 2026
Space
Sun
Earth
Human
Human Spaceflight
Best Places to Stargaze
Community Photos
View Community Photos Trending Submit a Photo
About
Store
Donate

Many fish evolved to survive on land

Shireen Gonzaga
July 11, 2016
 min read

Surprise! Some mantas are homebodies

Shireen Gonzaga
July 3, 2016
 min read

Ice ages, and ice at Mars’ polar cap

Deborah Byrd
June 4, 2016
 min read

Sunrise stripes on Hospital Hill, Zimbabwe

Peter Lowenstein
June 2, 2016
 min read

Old under-ice volcanoes on Mars

Deborah Byrd
May 12, 2016
 min read

Why Planet 9 shouldn’t exist

Deborah Byrd
Eleanor Imster
May 9, 2016
 min read

A pure methane sea on Titan

Deborah Byrd
May 3, 2016
 min read

Orbit like a comet, rocky like an asteroid

Deborah Byrd
May 3, 2016
 min read

Astronomical events in 2016

Fred Espenak
May 3, 2016
 min read

Breakthrough Starshot to Alpha Centauri

Deborah Byrd
April 29, 2016
 min read
Previous
6 / 291
Next

Tags

Weather
Videos
Video
No items found.
EarthSky YouTube Channel
YouTube
Twitter
Facebook
Instagram
Store
Donate
© 2025-2029 Earthsky Communications Inc.
WEbsite by Milkyway.co
About
Contact Us
Terms & PRivacy