267,563 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.
Our sun moves around the center of the galaxy, toward the star Vega. Astronomers call this motion the apex of the sun’s way. One circuit – about 230 million years – is called a cosmic year.
Why search for such a faint constellation? Only because it’s very beautiful. Plus seeing Eridanus can give you a kinship with stargazers from centuries ago.
Watch the celestial clock and its 2 great big hour hands – Cassiopeia and the Big Dipper – as they swing around the North Star every night!
Hundreds of marine turtles die every year after getting tangled in trash – such as plastic ‘six pack’ holders and discarded fishing gear – in oceans and on beaches.
December solstice 2017 was December 21. Earth is closest to the sun for 2018 on January 2-3. Coincidence?
Celebrating the New Year on January 1 is a civil event, not an astronomical one. And yet nature cooperates to make January 1 a satisfying time to start anew.
Photos from Project Nightflight and others in the EarthSky community of the famous star cluster Pleiades. Look for this tiny, misty dipper in your night sky.
Mira, in Cetus the Whale, varies in brightness over about 11 months. In late December 2017, it might be near its peak brightness, easily bright enough to be viewed with the eye alone.
With the meteors’ source – 3200 Phaethon – nearby, 2017 could be a fantastic year for this shower. Peak morning probably Thursday, but watch tomorrow and Friday mornings, too.
Dog Star Sirius is our sky’s brightest star. Dog Star Procyon isn’t as bright, but it’s easy to spot. Say howdy to these 2 tonight!
Go young moon hunting
A new day from space