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The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Human World, Tonight.
Deneb marks the Tail of Cynus the Swan … and the head of a crosslike pattern known as the Northern Cross.
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.
Controversy surrounds construction of hydropower stations on a river that feeds deep, ancient Lake Baikal.
Lists of common full moon names – both by month and by season – for both the Northern and Southern Hemispheres.
And how many potentially exploding stars are located within the unsafe distance?
Happy birthday May babies! Your birthstone, the emerald, is a type of beryl colored green by chromium. Perfect emeralds are among the rarest of gemstones.
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?
Here’s a collection of lovely, gorgeous, and wonderful photos from the EarthSky community in celebration of our favorite planet. Thank you all!
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.
People traveling in airplanes often see glories. The sun has to be behind your head. You’ll see the plane’s shadow cast on a cloud, surrounded by a halo of light.
How to see the legendary green flash
Weekend auroras at the South Pole