A daily update by email. Science news, great photos, sky alerts.
For the 1st time, astronomers say they have detected a glory on an exoplanet. Glories are a natural phenomenon, but until now seen only on Earth and Venus.
An airplane glory is easy to see, if you watch for it. It's the plane's shadow cast on a cloud, or the ground, surrounded by a halo of light.
For Arnaud Besancon - an astrophotographer in Germany - a night of watching for Leonid meteors ended in a beautiful surprise.
At the core of the giant elliptical galaxy Abell 2597, a supermassive black hole is powering the cosmic equivalent of a gargantuan, ongoing fountain.
You might catch an airplane glory when a mist or cloud lies below you, with the sun shining upon it.
For the first time, a spacecraft has imaged a rainbow-like feature known as a ‘glory’ on another planet.
Eileen Claffey saw this glory - formed when water droplets in the air scatter light backwards - this past weekend, while riding in a hot air balloon.
Love astronomy, but don't like to stay up late? Here are the top 10 space objects you can see - under the right conditions - during the day.
The Brocken Spectre is your own shadow cast on mists below you from high on a mountain. The shadow may appear enormous and has a rainbow ring around it.
Liz Dunster caught a photo of an airplane glory during a flight over North Carolina. Karthik Easvur caught a glory over India and provided a video!
Words often fail when trying to explain the kaleidoscope of sights, sounds, feelings and emotions that consume us during this other-worldly event.
The High Frequency Active Auroral Research Program (HAARP) — target of conspiracy theorists — has closed down.
What's the origin of the mysterious green line in a photo, along the boundary of a mountain shadow that's racing across a Death Valley desert floor?
A new study estimates that one species of sponge can live to be 2,300 years old — that’s about the...
Check out these wonderful total solar eclipse pics and video from our EarthSky community! See our editor's picks that capture the partial and total phases.
Cancer the Crab is one of the 12 constellations of the zodiac. Learn how to find it in your sky, plus learn about its star cluster, mythology and more.
Officials in California are relocating beavers (Castor canadensis) to help improve the state's mountain environment and waterways.
The James Webb Space Telescope has taken new images of Uranus. Get a better look at the planet, its rings, moons, and the distant background galaxies.
Have you ever seen the green flash from a setting sun? Learn how to see one here, plus how they appear, and enjoy some great photos and watch a video!
Jupiter's Great Red Spot is shrinking! Look at images from the 1800s to now and see how it's gotten smaller and rounder. Submit your own image, too!