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
Earth
Human World
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
Astronomy Essentials
Human World
Halloween is an astronomy holiday. It’s a cross-quarter day
Bruce McClure
October 30, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October and November
Marcy Curran
October 30, 2026
Brightest Stars
Algol the Demon Star, named for its strange behavior
Editors of EarthSky
October 29, 2026
Space
Sun
Earth
Human
Human
Spaceflight
Best Places to Stargaze
Community Photos
View Community Photos
Trending
Submit a Photo
About
Store
Donate
Home
/
Categories
/
Category: Today’s Image
Solar eruption larger than Earth
Here is gas arching up from the surface of the sun, sculpted by the sun's magnetic fields. These great features are called prominences.
Deborah Byrd
August 1, 2016
Earth’s shadow, sea and land
Earth's shadow is a blue-gray line ascending in the east each evening, as the sun sinks below the western horizon. Belt of Venus is a pink line above the shadow.
Deborah Byrd
July 27, 2016
Venus and Mercury, from Brazil
With the exception of Jupiter, the planets in the west after sunset now aren't very conspicuous. But they're lining up for some fun in August!
Deborah Byrd
July 26, 2016
Telescopes and laser beam, in Hawai’i
A visit to the summit of Mauna Kea on the Island of Hawai'i, where astronomers from 11 countries operate telescopes.
Deborah Byrd
July 24, 2016
Waiting for the storm
Anthony Lynch said he "waited all night for this storm in Ireland, but it missed us and went across the sea around 3 a.m."
Eleanor Imster
July 23, 2016
Moonrise over the Tetons
The Tetons are part of the Rocky Mountains in North America - mostly in Wyoming - south of Yellowstone National Park.
Deborah Byrd
July 22, 2016
Rainbow light in the mist, Sweden
What appears to be a corona, possibly caused by water droplets in a mist - or even by pollen - as the sun rises over Sweden.
Deborah Byrd
July 21, 2016
Interactive 360 degree Milky Way
See the full band of the Milky Way in an interactive full-sphere image taken June 14, 2016 on La Palma in Spain's Canary Islands.
Eleanor Imster
July 20, 2016
Orion before dawn, over Thailand
In January and February, Orion is an evening constellation. But at this time of year, people around the world begin watching for Orion before dawn.
Deborah Byrd
July 18, 2016
Last light at Mauna Kea summit
The sun sinks over the observatory atop Hawaii's Mauna Kea volcano.
Eleanor Imster
July 17, 2016
Previous
123 / 209
Next