SUNSET: 
Even More Evidence for a Wet Mars
By looking at soil plowed up by the Mars Exploration Rover Spirit, geologists have some of the strongest evidence to date that ancient Mars was a wet place.
Scientists Find New Way to Measure Black Holes
Astrophysicists have developed a new way to measure the mass of black holes — by watching how matter clumps before it falls in.
Dampened Spirits at the 2007 Texas Star Party
Observers from around the world gathered at the Prude Ranch for a week of stellar stargazing — but Mother Nature had different plans.
Jupiter at its Best
It's a rare day when a backyard astronomer captures targets as well as spacecraft and space telescopes do.
Black Hole Spins as Fast as It Can
A black hole has been measured spinning more than 950 times per second, about as fast as it can theoretically go under the laws of physics.
International Sidewalk Astronomy Night
Saturday, May 19th, is the first International Sidewalk Astronomy Night. Join amateur astronomers from around the world and share the heavens with anyone interested in viewing a planet or star.
Occultations by Possible Rings of Pluto
Photometric recordings of Pluto passing near stars, as on the night of May 11-12, 2007, could reveal if it has a ring system.
Equipment: Guides & Recommendations
First look: Backyard Observatories, FAR Laboratories, and more at NEAF
More gadgets you might have missed at the Northeast Astronomy Forum.
Red Planet Rising
Now that mornings are getting warmer, it's far less daunting to get out of your warm bed and do some early-morning stargazing. But if you need some added motivation to set that alarm, look no further than Mars.
Another Saturnian Masterpiece!
Isn't it great to have a spacecraft orbiting Saturn? Yesterday the Cassini orbiter's imaging team released a new batch of photos that show off the majesty of the Ringed Planet.
Outburst of the Eta Aquarids?
A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.
New Horizons at Jupiter
Good fortune shined upon the New Horizons spacecraft as it flew by Jupiter in February, to the delight of scientists who wanted to examine the "Small Red Spot," the planet's rings, hot lava on Io, and much more.
Wanted: Female Amateur Astronomers
You're invited to participate in a survey of the interests, attitudes, and experiences of girls and women in amateur astronomy.
See Vesta at Its Brightest!
This odd asteroid hasn't been so close to Earth in 18 years, and you may be surprised at how easy it is to spot with your eyes alone.
SOFIA Takes Flight
NASA's Stratospheric Observatory for Infrared Astronomy, a telescope-toting 747SP jetliner, has successfully completed its first test flight.
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Astronomical Amazement Awaits in June's S&T
Don't miss out on this month's issue of Sky & Telescope, on newsstands now. In addition to the stunning astrophotos, detailed star charts, and essential observing tips you expect to find month after month, the latest issue features some wonderful surprises.
See You at the Telescope Show
The East Coast's biggest astronomy trade show is April 28–29. The 16th annual event includes a full schedule of speakers and workshops, as well as an exhibit hall full of celestial-equipment vendors.
"Super-Earth" Found
Astronomers have detected a planet around a nearby star that's not too cold, not too hot, and not much bigger than Earth.
Happy Anniversary Hubble!
Astronomers release a mind-boggling view of the Carina Nebula to celebrate the 17th anniversary of the Hubble Space Telescope.
Equipment: Guides & Recommendations
Lightweight Heavyweight: Astro-Physics Mach 1 GTO Mount
In the 21st century, a German equatorial mount with Go To technology might seem rather ordinary. But when “Astro-Physics” appears on the nameplate, lots of people, especially advanced astrophotographers, take notice.
