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A Cosmic Soap Opera Oct. 19, 2017

Stargazers

Week of October 22-28, 2017 Did you ever wonder what folks did for entertainment before they had TV... Read More

Finding the Sixth Planet Oct. 12, 2017

Stargazers

Week of October 15-21, 2017 From the beginning of time till the year 1781, only five planets were k... Read More

Are We Alone? Oct. 05, 2017

Stargazers

Week of October 8-14, 2017 Who among us has never gazed into a starry night sky and wondered, "Are ... Read More

A Backyard Time Machine Sep. 28, 2017

Stargazers

Week of October 1-7, 2017 Nothing in the heavens appears as it is. It really is quite an illusion we... Read More

Measure the Sky Sep. 21, 2017

Stargazers

Week of September 24-30, 2017 It was a cool, crisp autumn day in Pennsylvania in 1966, and I rememb... Read More

Autumn Is Coming! Sep. 14, 2017

Stargazers

Week of September 17-23, 2017 Autumn is nearly here, and for this desert rat, it can't come soon en... Read More

Planetary 'Alignment' at Dawn Sep. 07, 2017

Stargazers

Week of September 10-16, 2017 One of the many interesting sights in the sky is one that's completel... Read More

Dog Days of Summer Aug. 31, 2017

Stargazers

Week of Sept. 3-9, 2017 As much of the Earth's Northern Hemisphere swelters under the oppressive he... Read More

Finding the Farthest Planet From the Sun Aug. 24, 2017

Stargazers

Week of August 27-Sept. 2, 2017 Scientists are in the business of classifying things. They classify... Read More

A Quarter Century of Stargazing Aug. 17, 2017

Stargazers

STARGAZERS BY DENNIS MAMMANA RELEASE: THURSDAY, AUGUST 17, 2017, AND THEREAFTER A Quarter Century o... Read More

Photographing the Solar Eclipse Aug. 10, 2017

Stargazers

Week of August 13-19, 2017 Unless you've been visiting another planet, you've surely heard about th... Read More

Safely Viewing the Solar Eclipse Aug. 03, 2017

Stargazers

Week of August 6-12, 2017 It's been quite a while since we in North America have enjoyed an eclipse... Read More

Totality! Jul. 27, 2017

Stargazers

Week of July 30-August 5, 2017 I often ask those in my audiences whether they've ever experienced a... Read More

The Great American Total Solar Eclipse Jul. 20, 2017

Stargazers

Week of July 23-29, 2017 It's been nearly four decades since sky watchers in any part of the contin... Read More

Capture the Cosmos! Jul. 14, 2017

Stargazers

Week of July 16-22, 2017 If you can see it, you can photograph it. This is Mammana's First Law of N... Read More

In Search of Messier's Goldmine Jul. 06, 2017

Stargazers

Week of July 9-15, 2017 Back in the late 18th and early 19th centuries — long before anyone ha... Read More

Earth's Elliptical Orbit Jun. 22, 2017

Stargazers

Week of June 25-July 1, 2017 Summer is only a couple days old, and already we're baking. As I writ... Read More

Get Ready: Summer is Coming! Jun. 15, 2017

Stargazers

Week of June 18-24, 2017 Hard to believe it's mid-June once again. That, of course, means a change ... Read More

Saturn: Lord of the Rings Jun. 08, 2017

Stargazers

Week of June 11-17, 2017 If I were to ask which you think is our solar system's most beautiful plan... Read More

Check out This Week's Mini-Moon! Jun. 01, 2017

Stargazers

Week of June 4-10, 2017 At least once a year we hear about the supermoon, when the full moon appear... Read More