SUNSET: 
Neptune's "Warm" Pole
The big blue planet's south pole is warmer than everywhere else, and that might be triggering Neptune's strong winds.
New Chance To Confirm Asteroid Lucina's Moon
Late Wednesday night, September 19–20, 2007, observers across much of North America should watch for a possible occultation by asteroid 146 Lucina's satellite.
A Root of Amateur Astronomy Unearthed
Russell W. Porter, the founder of amateur telescope making in America, was still virtually unknown when he built a 16-inch reflector for his home on the Maine coast.
Amateur Astronomy on TV
Don't miss Timothy Ferris's ode to amateur astronomy, which airs on PBS stations throughout the US on Wednesday night.
Astronomy Day, Redux
For the second time this year, skywatchers the world over are celebrating Astronomy Day. If the sky is clear this weekend, you'll be treated to a bounty of late-summer stars and planets.
Japan Launches a "Lunar Princess"
On September 14th, during a picture-perfect launch, a powerful rocket heaved Japan's latest scientific satellite toward the Moon.
Close-up on Iapetus
NASA's Cassini spacecraft zoomed in to take detailed pictures and other measurements of one of Saturn's weirdest moons.
Sharpening the 200-Inch
Using a double dose of new technology, astronomers have given an old telescope the sharpest vision ever achieved — besting even that of the Hubble Space Telescope.
An Eclipse-chaser's Mad Dash
Some people will go to the ends of the Earth — and do anything possible — to see a solar eclipse.
Finding the Missing Dwarf Galaxies
Minigalaxies of dark matter ought to be everywhere, says the best theory of how the universe came to be. Now they're finally being found.
Life and Death of FUSE
One of NASA's spacecraft has been making great observations of the galaxy for the past 8 years. But there's one small problem: it can't point at its targets anymore.
Opportunity is Going In
Now that the dust storms have passed, the Mars Exploration Rover Opportunity should begin studies inside Victoria Crater in the coming weeks.
Help Prepare for Hubble Study of PQ And
Amateur observations of variable star PQ Andromedae are needed on September 11-12, 2007, to ensure a successful Hubble campaign.
Prepare to Be Blown Away by Iapetus
Cassini finally encounters Saturn's wacky moon Iapetus today. Don't wait for the processed pics to be released. Check out the raw images now!
Surprise Outburst of a New Dwarf Nova
A suspected dwarf nova is undergoing its first observed outburst and had reached 9th magnitude as of September 5, 2007. More observations are needed.
Great Offer, Great Cause
Until November 1st, astronomy-club members can join the International Dark-Sky Association and help fight light pollution for about the cost of a large, three-topping pizza — and the IDA is better for you!
The Source of the Dinosaurs' Asteroid
Did a colossal collision in the asteroid belt 160 million years ago doom the dinosaurs? A just-published analysis argues strongly for exactly that.
Aurigids Aplenty!
Just as predicted, the Aurigid shower delivered a burst of meteors created by particles shed by a comet more than 2,000 years ago.
Measuring Neutron Stars Exactly
Astronomers can measure a neutron star's diameter by effects of gas skimming around its surface at 40% of light speed.
