SUNSET: 
Donate to Eclipse-Glasses Effort
Astronomers Without Borders is raising funds to get 40,000 sets of eye-saving viewers into the hands of African schoolchildren for next month's solar eclipse.
Tour October's Sky! | October 1st, 2013
Venus blazes low in the west at sunset, while Jupiter rules the late-night sky. This month also features a penumbral lunar eclipse, a minor meteor shower, and the Great Worldwide Star Count.
S&T's Audio Sky Tour for October 2013
Venus blazes low in the west at sunset, while Jupiter rules the late-night sky. This month also features a penumbral lunar eclipse, a minor meteor shower, and the Great Worldwide Star Count.
Uranus's Unlikely Companion
Astronomers have discovered a sizable object sharing the orbit of Uranus. Its existence defies the odds — and within 1,000,000 years it'll slip from the planet's grasp.
Will BBC Cancel The Sky at Night?
Stargazers in Great Britain learned this week that their beloved broadcast about all things celestial, inaugurated by the late Patrick Moore in 1957, might be canceled at year's end.
Is Phaethon a "Rock Comet"?
An oddball asteroid discovered 30 years ago apparently gets so hot when near the Sun that rocky minerals on its surface crack, pop, sizzle, and fly off into space.
Hisaki: A New Orbiting Planet-Watcher
Japan's latest spacecraft is designed to study gas escaping from the atmospheres of Earth's neighbors in the solar system.
Onward, Voyager 1, to the Stars!
With the release of new results this week, NASA scientists are now confident that their plucky probe, launched 36 years ago, has entered interstellar space.
Crescent Moon and Venus Put on a Show
Keep an eye to the early-evening sky on Sunday, September 8th. You'll be rewarded with a stunning pairing of a thin crescent Moon next to dazzling Venus.
LADEE Leaves for Luna
NASA's Lunar Atmosphere and Dust Environment Explorer left Earth on Friday night — an event widely seen up and down the East Coast — on a mission to solve a 45-year-old mystery.
An Annular Eclipse on Mars
Not content merely to record the Martian landscape, a camera on NASA's Curiosity rover recently pointed skyward to watch Phobos cross the face of the Sun.
Titan's Exterior Offers Stiff Resistance
Saturn's big moon appears to have an icy crust that's far more rigid — and more worn down by erosion — than expected.
S&T's Audio Sky Tour for September 2013
Dazzling Venus, low in the west after sunset, has close encounters with a moon, a planet, and a star. Meanwhile, the Summer Triangle is high overhead.
WISE Revived for Asteroid Hunt
NASA officials thought they'd switched off the Wide-field Infrared Survey Explorer for good 2½ years ago. But soon it'll be revived for three years to hunt for small asteroids in Earth's vicinity.
Tour September's Sky! | August 21st, 2013
Dazzling Venus, low in the west after sunset, has close encounters with a moon, a planet, and a star. Meanwhile, the Summer Triangle is high overhead.
An Observing Mecca in the Sierras
Who would have thought that, just 30 miles from a California city of 500,000+, you'd find some of the best stargazing in all of North America?
"Smoking Gun" from Galactic Smashup?
Observations from the Chandra X-ray Observatory suggest that something has slammed into the spiral galaxy NGC 1232. But you'd never know it from the galaxy's unperturbed appearance
Wanted: More Young Stargazers
The Astronomical League is tackling a serious threat to the future of organized amateur astronomy: a dearth of stargazers in their teens, 20s, and 30s.
What Powers the Van Allen Belts?
Thanks to a pair of NASA probes launched last year, space physicists have confirmed that relativistic electrons in the radiation belts surrounding Earth arise from "homegrown" acceleration processes.
Bright supernova in M74
An exploding star in the galaxy M74 in Pisces, discovered on July 25th, peaked at magnitude 12.5 in mid-August and was still V magnitude 13.2 as of September 5th.
