WISE's all-sky map


Bulletin at a Glance

This Week’s Sky at a Glance

WISE’s Grand View of the Infrared Sky

March 19, 2012 | In just 10 months during 2010, an orbiting observatory meticulously recorded a “heat map” of the entire celestial sphere, revealing unseen beauty in the Milky Way and providing astronomers with a catalog of more than a half billion celestial objects. > read more

March Madness on Mercury

March 21, 2012 | After a full year of scrutiny by NASA’s Messenger orbiter, the innermost planet is revealing itself to be unique — and downright confounding — to the project’s scientists. > read more

Twin-Eyed Telescope Sees Sharp Stars

March 22, 2012 | The Large Binocular Telescope has opened one of its new eyes on the sky, revealing exoplanets and stars with a precision that rivals the best ground-based observatories astronomers have. > read more

Colorful Cluster Transformation

March 20, 2012 | Astronomers have spotted a unique galaxy cluster at a surprisingly far distance from Earth. The close mixing of lively and “red-and-dead” galaxies suggests an important transitional period in galaxy cluster evolution — when star formation shuts off. > read more

How Big is the Sun, Really?

March 21, 2012 | By carefully recording the track of Mercury when it crossed the solar disk in 2003 and 2006, observers have measured the Sun’s diameter more accurately than ever before. > read more


supernova in M95

Anthony Ayiomamitis

Supernova in M95

March 23, 2012 | Professional and amateur astronomers recently spotted a new supernova in the spiral galaxy M95. But it took a few days to figure out what it actually was. > read more

The Moon Visits Jupiter and Venus

March 23, 2012 | The crescent Moon visits Jupiter on the evening of Sunday, March 25th, and it visits Venus on Monday night. > read more

Tour March’s Sky by Eye and Ear!

February 28, 2012 | Venus and Jupiter form a dazzling pair after sunset, but they’re just the opening act in a sky full of bright planets and late-winter stars. > read more

Jupiter: Big, Bright, and Beautiful

September 23, 2011 | The “King of Planets,” which will dominate the evening sky from late 2011 through early 2012, is a captivating sight no matter how you look at it. > read more

This Week’s Sky at a Glance

Venus and Jupiter pair up with the Moon in twilight

This Week’s Sky at a Glance

March 23, 2012 | The crescent Moon again pairs up with Jupiter and Venus at dusk, but in reverse order compared to a month ago. Mars is shrinking and fading. And Saturn rises around the end of twilight. > read more


Mars with strange weather

Wayne Jaeschke

Exciting Event on Mars!

March 23, 2012 | Observers are reporting an unusual event on the Red Planet, well placed for western U.S. residents this evening. > read more

Sky & Telescope May 2012

March 23, 2012 | Sky & Telescope‘s May 2012 issue is now available to digital subscribers. > read more

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