Pleiades Occultation Observed
The occultation of the Pleiades by the crescent Moon on April 8th was plagued by haze in Boston, but magnificent nonetheless.
The First Type-Y Star?
It's the coolest brown dwarf yet, and it seems to be in a spectral class of its own.
Phobos Gets a Close-up
The small army of spacecraft now operating on and around Mars don't spend all their time watching the Red Planet. Check out this just-released view of one of Mars's moons.
Tour April's Sky By Ear and Eye!
What better way to enjoy April's evening sky sights than to let Sky & Telescope take you on a guided tour?
A Perfect Pairing
If your evening sky is clear on Tuesday, April 8th, head out soon after sunset to catch a beautiful celestial scene.
What's Inside Enceladus?
In a daring dash over the south pole of Enceladus, the Cassini orbiter found organic molecules gushing from icy fractures on the Saturnian moon's surface — and hints that a reservoir of liquid water might exist deeper down.
A Raft of New Planets in Silhouette
The SuperWASP project finds 10 new extrasolar planets crossing the faces of their stars.
Help Us Help You
Did you know that Venus is still visible in the morning sky in April 2008?
Uranus and Neptune in 2008
Uranus and Neptune are easy to find with the aid of the charts in this article.
Uranus and Neptune in 2009
Uranus and Neptune are easy to find with the aid of the charts in this article.
Lights Out, Everyone!
It's National Dark-Sky Week, a time to take stock of how badly your nighttime environment has been overrun with poor-quality lighting — and a time to do something about it!
Fun in the Sun Continues
Don't miss the evolving sunspots now crossing the solar disk.
Smooth Alt-AZ
Astronomy Technologies now offers the Astro-Tech Voyager altazimuth mount.
NASA's Wine Sniffer
Scientists are using wine to help test a device designed to search for life on Mars.
Go See the Sun
If you have a solar filter or another way to safely view the Sun, be sure to check out the latest group of sunspots marching across its disk.
A Record-Breaking Gamma-Ray Burst
The visible-light glow of a gamma-ray burst briefly shone at magnitude 5.4, despite its distance of 7.5 billion light-years — more than halfway across the visible universe.
Notes from the Weekend
A site for streaming TV shows has an astronomical bonus. Plus, a couple of other things.
Titan's Free-Floating Crust
Saturn's giant moon isn't spinning the way a well-behaved satellite should — and some scientists argue that this deviant behavior is due to a global ocean hidden beneath its icy crust.
Comet Hale-Bopp Still Lives
It's nearly as far away as Neptune, but the frozen gas in the Great Comet of 1997 is still melting.
STEREO: The Sun's Corona Unraveled in 3D
Twin spacecraft far apart are mapping loops of the solar corona in three dimensions. The shapes are not always turning out as expected.
