SUNSET: 
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.
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.
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.
The Sun's Hot Corona: Mystery Deepens
Why is the Sun's atmosphere so hot? Physicists thought they knew the answer — powerful waves of energy moving up from the solar surface — but now they're not so sure.
Listen to Our September Podcast
This month's podcast explores how there still plenty of summer's stars to view even as we transition to autumn.
A Starry Chemical Imbalance
New high-resolution images of dwarf galaxy IC 10 in Cassiopeia may help resolve an enduring mystery about this star-forming powerhouse.
The Sun Shakes the Earth
A team of scientists makes a compelling case that sound waves rattling around inside the Sun are literally shaking Earth's interior.
High (School) Honors
The Astronomical League has presented its National Young Astronomer and Jack Horkheimer awards for 2007.
A Whole Lotta Nothing
If you're looking for a place to really get away from it all, head toward a lovely spot in southeastern Eridanus.
