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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.
You’ll always know it’s the sky’s brightest star, Sirius, if the very noticeable constellation Orion the Hunter is nearby.
We showed you how to use Cassiopeia to find this galaxy. Now try star-hopping from the Great Square of Pegasus.
American astronomer Asaph Hall discovered Phobos, one of the two Martian moons, on this date in 1877. Did he imagine how well we’d see Mars’ moons today?
Meteors begin to glow almost as soon as they hit Earth’s atmosphere, but tend to vaporize (burn up completely) at varying altitudes.
How to watch a meteor shower. Tips for beginners.
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.
Ring of fire eclipse on September 1
Star trails at Lake Tekapo