Night Sky Sights

Ceres and Vesta in 2011

The two brightest asteroids are in fine view for binoculars or a telescope. Here are instructions and charts to find them.

Astronomy & Observing News

The Sky Has No Border

StarPeace 2011, one of the world's largest international star parties, has given stargazers from 25 countries a reason to forget their conflicts and unite for the love of the sky.

Astronomy & Observing News

Sky & Telescope July 2011

Sky & Telescope's July 2011 issue is now available to digital subscribers.

Endeavour's final liftoff

Astronomy & Observing News

Watching the Next-to-Last Shuttle Launch

Author Carolyn Collins Petersen on Endeavour 's last launch and the future of flights to the International Space Station.

Celestial News & Events

5,000 Megapixels of Sky

Seattle amateur Nick Risinger had an idea and some free time. One year and more than 37,000 images later, he's created an awesome panorama of the entire celestial sphere.

Space Missions

Vesta Ahoy!

As Dawn closes in on Vesta, pictures from the spacecraft’s cameras are helping engineers steer it to its July rendezvous.

Saturn rotation video

Celestial News & Events

Saturn in Motion

Watch Saturn rotate in this high-definition time-lapse video courtesy of the Hubble Space Telescope and S&T imaging editor Sean Walker.

Interviews & Excerpts

Video Interview with Robert Naeye

Robert Naeye discusses his career at Sky & Telescope and talks about what he loves at Sky.

MMT Observatory

People, Places, and Events

Praising Arizona — II

S&T contributing editor Govert Schilling visits observatories in southern Arizona.

Space Missions

Gravity Probe B: Relatively Important?

It took five decades and $750 million for the Gravity Probe B mission to check, once again, that Einstein’s theory of general relativity is right. Was it worth it?

Exoplanets

The Hottest, Densest Super-Earth Yet

Two research teams combine forces to study the wildest exoplanet yet identified.

People, Places, and Events

Praising Arizona — I

S&T contributing editor Govert Schilling visits observatories in southern Arizona

Where to spot Eta Aquariid meteors

Celestial News & Events

See the Eta Aquarid Meteor Shower

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.

Celestial News & Events

Watch a Star Wink Out on August 10th

On the evening of Wednesday, August 10th, the Moon will cover the 2.9-magnitude star Pi Sagittarii for the eastern half of North America.

Space Missions

New Insights on "Tycho's Supernova"

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.

Endeavour prepared for launch

Astronomy & Observing News

Endeavour Set for Final Flight

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.

Astrobiology

Forced "Hibernation" for SETI Telescope

Astronomers have shut down the innovative Allen Telescope Array in northern California — a huge blow to the ongoing search for extraterrestrial intelligence.

Astronomy & Observing News

The Allen Telescope Array: SETI's Next Big Step

SETI researchers have long had to beg time on instruments built for conventional radio astronomy. Now they've built one of their own.

Tony Flanders

Interviews & Excerpts

Video Interview with Tony Flanders

Tony Flanders talks about his job at Sky & Telescope and the strange sequence of events that led him to work for Sky.

People, Places, and Events

McDonald Observatory Dodges Wildfire

The Rock House Fire has consumed more than 300 square miles in West Texas and came within about a mile of the telescopes atop Mount Locke before abating. But the nearby town of Fort Davis wasn't so fortunate.