SUNSET: 
How To Find Comet Lulin This Week
Comet Lulin is nearest and brightest this week, and it's in a dark, moonless sky. Use our exclusive sky chart to find it with binoculars or a telescope!
Rare Eclipse of EE Cephei Is Set to Begin
During January 2009 a faint star in Cepheus will fade, as it does every five or six years, when "something" goes in front of it.
Dazzling Planet Duo Beckons in Evening Twilight
As November ends, Jupiter and Venus perform a dazzling dance in the evening twilight — and they're joined by a slender crescent Moon on December 1st.
Rock from Space to Burn Up over Africa
Late Monday night, October 6-7, 2008, a tiny asteroid will enter Earth's atmosphere over Sudan, creating a spectacular explosion in the night sky.
Astronomers Re-Date Caesar's Invasion of Britain
FOR IMMEDIATE RELEASE Contacts: Donald W. Olson, Department of Physics, Texas State University 512-245-2131, [email protected] Roger W. Sinnott, Senior Editor, Sky & Telescope 855-638-5388 x2146, [email protected] Cambridge, MA, June 30, 2008 — Researchers from Texas State University have revised the date when Julius Caesar invaded Britain in 55 BC, a…
New Date for Caesar's British Invasion
In 55 BC, when Julius Caesar and his fleet approached the white cliffs of Dover on the British coast, he faced unexpectedly strong tides. Researchers from Texas State University have used tidal measurements and other astronomical clues to revise the exact date of the historic landing.
Amateur Finds Fastest-Spinning Asteroid
While chasing near-Earth asteroid 2008 HJ with a remotely controlled telescope in Australia, Richard Miles made a record-setting discovery.
Comet Boattini Brightens
During May and June 2008, this visitor may be dimly visible without a telescope — but only if you live in the Southern Hemisphere.
A Rare Chance To See "Opposing Crescent" Moons
Here's a special challenge for North American skywatchers on Sunday morning and Monday evening. But this one is tough. To prepare for glimpsing Sunday morning's crescent Moon, watch the sunrise on Saturday morning.
Another Bright Nova, This Time in Sagittarius
Just magnitude 9 when discovered on April 18, 2008, this nova in Sagittarius has brightened tenfold.
Found in Cygnus: A 7th-Magnitude Nova
Two Japanese amateurs captured the new star on April 10, 2008, at a spot where their camera had recorded nothing just three days earlier.
A Triple Occultation by Eugenia and Its Moons
On March 8, 2008, this asteroid or one of its two moons could make a faint naked-eye star vanish briefly from the sky.
Possible Occultation by Varuna Sunday Night
A huge, remote asteroid could briefly blot out a faint star in Gemini on February 10-11, 2008.
David Levy's Binary Asteroid
An otherwise run-of-the-mill, main-belt asteroid named 3673 Levy just got a lot more interesting: It has a tiny moon!
The Orion Nebula, Exactly?
Radio astronomers succeed where others have failed to pin down the distance to a great showpiece of the night sky.
Nova in Puppis
On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.
Nova in Puppis
On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.
Comet Holmes Undergoes Huge Outburst
On Wednesday, October 24, 2007, this faint comet between the orbits of Mars and Jupiter suddenly became a naked-eye "star."
Refining Hipparcos's Star Distances
To extract even better star distances, a Cambridge astronomer who took part in the Hipparcos mission has just completed a whole new analysis of the raw data.
An Occultation by Pluto's Moon Charon?
New calculations indicate that Charon may actually occult an 8.7-magnitude star on Sept. 27, 2007.