Remnant of Tycho's 1572 supernova

NASA / CXC / Chinese Academy of Sciences / F. Lu & others

Bulletin at a Glance

This Week’s Sky at a Glance

New Insights on “Tycho’s Supernova”

April 28, 2011 | The famous Danish astronomer Tycho Brahe watched a star explode in 1572. Now new observations strongly suggests that there was an accomplice in its demise. > read more

Endeavour Set to Fly

April 27, 2011 | Endeavour‘s launch marks the end of an era in U.S. space-exploration history as NASA phases out its shuttle fleet in preparation for a new generation of launch vehicles. > read more

Royal Birth Heralded by a Supernova?

April 22, 2011 | Why didn’t 17th-century observers see the exploding star that created the Cas A supernova remnant? According to a controversial new hypothesis, British royal historians — but not astronomers — saw the event in 1630. > read more

Forced “Hibernation” for SETI Telescope

April 26, 2011 | Astronomers have shut down the innovative Allen Telescope Array in northern California — a huge blow to the ongoing search for extraterrestrial intelligence. > read more

Sky & Telescope June 2011

April 21, 2011 | Sky & Telescope‘s June 2011 issue is now available to digital subscribers. > read more


S&T Illustration

See the Eta Aquarid Meteor Shower

April 29, 2011 | The Eta Aquarids might be the best meteor shower that you’ve never heard of. Best viewed at southerly latitudes, this shower is strong in the predawn hours from May 4th through May 8th. > read more

A Great Time for Space-Station Watching

April 21, 2011 | For the next week, the enormous International Space Station will be slam-dunk easy to spot in the evening sky — if you know where and when to look for it. > read more

The Four-Planet Dance of 2011

March 9, 2011 | Every morning in May 2011, just before sunrise, four planets combine to form fascinating and ever-changing patterns. > read more

T Pyxidis Finally Blows Again

April 15, 2011 | A very overdue recurrent nova is having its long-awaited outburst. You can follow it with binoculars right after dark. > read more

Saturn’s New Bright Storm

December 27, 2010 | A massive new storm in the ringed planet’s northern hemisphere is bright enough to see in small telescopes. > read more

This Week’s Sky at a Glance

Looking east in bright dawn

This Week’s Sky at a Glance

April 29, 2011 | A month-long dance of four planets is becoming visible low in the dawn. In the evening sky, Saturn’s white outbreak is breaking out again. > read more


Tony Flanders talks about his job at S&T

S&T: Jessica Kloss

Video Interview with Tony Flanders

April 25, 2011 | Tony Flanders talks about his job at Sky & Telescope and the strange sequence of events that led him to work for Sky. > read more

Let the Star Parties Begin!

April 14, 2011 | Want to gaze at the Milky Way all night or peer into the eyepiece of a 12-foot-tall telescope? Then escape the city lights and head for the nearest “star party.” > read more

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