Lonely Fomalhaut turns out to have plenty of company. Learn how to find its two remarkably distant stellar companions.
Ten thousand stars bedazzle the eye on a dark night. Wait, how many?
With a subtle beauty all its own, the earthshine we see glowing in the lunar night invites us to consider Earth's many connections to the Moon This week's crescent Moon offers more than two horns to hang your hat on. Take a close look, and you'll see an entire circle of moonlight. Sunlight illuminates...
Watch S&T senior editor Alan MacRobert show and explain how to use star charts and planispheres (star wheels).
Would you like to be able to navigate your way around the night sky with confidence? Using this simple, easy-to-make Star Wheel, you can "dial the sky" for any time or date.
Astronomy doesn't deserve its reputation as a tough, expensive hobby. You just need to begin with the right advice.
Ready to voyage beyond the Solar System? Here's what you can see.
How do you find out what stars are visible tonight? With a planisphere or "star wheel." It's easy!
Here's what you need to know to navigate the heavens with a telescope and star atlas.