Seeking Summer's Dark Nebulae
Amateur skygazers can spend hours roaming ghostly clouds of interstellar dust. You just need to know where to look.
Nebulae of the Deep South
On a long-awaited tour of the southern Milky Way, Alan Whitman discovers many splendid sights in far-southern skies.

Observing Secrets of Deep-Sky Objects Revealed
Here's how to hone your galaxy-hunting skills — and what to expect at the eyepiece.
RS Ophiuchi Finally Blows its Stack
This famous recurrent nova has just erupted for the first time in 21 years, reaching magnitude 4.8 on February 13th.
When Will RS Ophiuchi Next Blow Its Stack?
This recurrent nova last went off in 1985. It could do so again almost any night. By catching this nova on the rise, you’ll help professional astronomers turn their “big guns” on it.