213,664 subscribers and counting ...
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.
The constellation Scutum has just 4 noticeable stars, and even those require a dark sky.
Twilight is the time of day between daylight and darkness. Astronomers, the experts on nighttime, recognize three kinds of twilight.
It’s said that once you’ve seen a green flash, you’ll never go wrong in matters of the heart. Here’s all you need to know … plus great pics.
Looking for something to do on the weekends? At star parties, amateur astronomers with telescopes will show you the night sky. Find one near you …
On June 30, 1908, an explosion over Siberia killed reindeer and flattened trees. But no crater was ever found. It may have been a small asteroid.
Seven shield-bearing warriors stand guard below the rising Milky Way, in a very special place in Montana.
Hot Jupiters have masses like our Jupiter, but orbit their stars closely. They often have cloud or haze layers, which, a new study says, may hide atmospheric water.
A light painting under the stars of southern Maine.
It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole every day.
A view of noctilucent – or night shining – clouds from the International Space Station.
Scutum the Shield named for Polish king
Telescopes and laser beam, in Hawai’i