Stars

Blue moons are actually gray or silver, but can sometimes be perceived as blue depending on atmospheric conditions. (Getty Images)

Rare Blue Moon Returns This Friday After 3-Year Hiatus

Skywatchers are in for a rare treat this Friday as a Blue Moon takes center stage for a show that happens once every three years.

3 hours ago

(Getty Images)

Radiant Meteor Shower With Chance For 100 Shooting Stars Per Hour Happening Now

An April meteor shower known for uncommon surges of up 100 shooting stars per hour is on tap for the next few days.

04/14/2015

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StarDate 11/26/2014: Galaxy Mergers

Galaxies could use a set of traffic cops — they’re always running into each other. These galactic wrecks can produce some of the most beautiful objects in the universe.

11/26/2014

(Photo credit: MORRIS MADURO, UC RIVERSIDE.)

Blood Moon Returns: Total Eclipse On Wednesday Will Be A Rare ‘Selenelion’

California and several other states in the western United States are getting front row seats early Wednesday morning to the second and final total eclipse in the “Blood Moon” tetrad series of 2014.

10/07/2014

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StarDate 8/13/2014: Scanning The ‘Barcode’ Of The Sun

Until the middle of the 19th century, the stars were little more than mysterious points of light. Astronomers could plot a star’s position in the sky, or record changes in its brightness, but that was about all

08/13/2014

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StarDate 8/6/2014: Taking A Census Of Our Stellar Neighborhood

In a time when astronomers are studying galaxies that are billions of light-years away, you might think that we know everything there is to know about our own cosmic neighborhood.

08/06/2014

The NASA Spitzer Space Telescope (Photo credit should read HO/AFP/Getty Images)

StarDate 7/25/2014: Logging Star Clusters In Sagittarius

One of the first items on almost any amateur astronomer’s “to-do” list is completing the Messier marathon — looking at all 110 objects cataloged by Charles Messier. Messier himself began the first marathon 250 years ago.

07/25/2014

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StarDate: ‘New’ Stars

At Christmas of 1934, a bright “new” star exploded to life in Hercules. For a few days, it was one of the brightest stars in the night sky. It made the front pages of newspapers, and astronomers tracked it for months as it slowly faded from sight.

07/18/2014

A perigee moon, or supermoon, rises behind wind turbines.  (Photo by David McNew/Getty Images)

Supermoon Facts To Impress Your Date

If you find yourself out gazing at a supermoon with a special someone, here are a few facts to help you impress them because you can actually tell them why the moon looks so huge, and where the term ‘supermoon’ came from.

07/12/2014

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StarDate 7/9/2014: A Glittering Test Subject In The Summer Sky

Over the decades, when astronomers wanted a subject for testing new techniques for studying the stars, they frequently turned to Vega, the brightest star of Lyra, the harp.

07/09/2014

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