SUNSET: 
Tour August's Sky! | July 30th, 2010
Venus, Mars, and Saturn dance in the west after sunset, while soon afterward giant Jupiter rises in the east — all that, and Perseid meteors too! Host: S&T's Kelly Beatty. (6MB MP3 download: running time: 6m 48s)
The Sky is Not Falling
This past week, news surfaced that a sizable asteroid has a roughly 1-in-1,000 chance of whacking Earth sometime in the next two centuries. But don't let the news spoil your summer vacation — the story is being overplayed.
New Trove of Iron Meteorites
Geologists have found a fresh impact crater in southern Egypt surrounded by thousands of pieces of the cosmic collider that formed it.
R136a1: New Heavyweight Champion?
Astronomers think they have identified a star with 265 times the Sun's mass — a heft once believed to be theoretically impossible.
WISE Takes a Look (All) Around
NASA's latest space observatory has just completed a six-month-long sweep of the entire sky at infrared wavelengths.
Strange Twists in Saturn's Rings
Thousands of mysterious, propeller-shaped features have been found in Saturn's A ring. Could these hold the key to the ring system's origin?
Rosetta Visits a Big Space Rock
A European-built comet chaser swept past asteroid 21 Lutetia today, offering glimpses of what might be a largely metallic body that's 100 miles across.
Planck's View of the Universe
A new all-sky map is showing cosmologists both the nearby, current universe and the faint echoes from its creation 13.7 billion years ago.
Hayabusa's Waiting Game
Tiny particles have been found inside the capsule returned to Earth three weeks ago by the Hayabusa spacecraft. Are they bits of asteroid Itokawa — or contamination from the Australian landing site?
Tour July's Sky! | July 1st, 2010
Watch the west after sunset for a celestial parade led by brilliant Venus, then swing south to get cozy with Scorpius. Host: S&T's Kelly Beatty. (5MB MP3 download: running time: 5m 12s).
In Search of Selenelion
Saturday's partial lunar eclipse offered some skygazers the rare chance to see the partly-hidden Moon and the rising Sun at the same time.
Two Wide Eyes on the Sky
Astronomers are starting to make observations with the first Pan-STARRS telescope in Hawaii (seen here) and the LOFAR radio interferometer in the Netherlands.
A Cauldron of Newborn Stars
The Hubble Space Telescope has returned its high-definition gaze to a spectacular bubble of glowing hydrogen known as N 11 in the Large Magellanic Cloud.
The Moon: Damp from Day One
A new analysis of Apollo samples, using technology that didn't exist 40 years ago, finds that water (just a bit of it) must be present inside the Moon.
Welcome Home, Hayabusa!
In a thrilling tale of triumph over adversity, the Japanese probe Hayabusa slammed into Earth's atmosphere over Australia on June 13, 2010.
"First Light" for a Flying Telescope
SOFIA, the Stratospheric Observatory for Infrared Astronomy, has finally feasted on starlight after a tortuous 14-year development.
Tour June's Sky! | May 28th, 2010
June's nights are the shortest all year for northern skywatchers, but as a consolation you'll find Venus, Mars, and Saturn in the evening sky.
S&T's Audio Sky Tour for June 2010
June's nights are the shortest all year for northern skywatchers, but as a consolation you'll find Venus, Mars, and Saturn in the evening sky. Host: S&T's Kelly Beatty. (5MB MP3 download: running time: 5m 35s)
Closure for Copernicus
More than 4½ centuries after his death in 1543, Nicholas Copernicus received a hero's acclaim as his remains were interred in Frombork, Poland.
Japanese Craft Sail Off to Venus
Are volcanoes erupting on Venus? Does lightning zap the planet's atmosphere? A new interplanetary probe aims to answer these questions and many others.
