Eclipses
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The Eclipses of May 2013
— May 1, 2013
May 2013 features an annular solar eclipse that's visible from extraordinarily little land area and a penumbral lunar eclipse that isn't visible at all.
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This year features two "central" eclipses of the Sun: an annular in May (visible from Australia and the South Pacific) and a "hybrid" (annular/total) in November that you'll have to travel to Africa to see.
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Totality Across America: Five Years to Go!
— August 28, 2012
Mark your calendars for August 21, 2017 — when the Moon's umbral shadow will race coast to coast across the United States for the first time in nearly a century.
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Lunar eclipses are leisurely affairs — a pleasure to watch and photograph.
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Useful Projects for a Lunar Eclipse
— February 19, 2008
Here's all you need to know to help us measure the size of Earth's shadow on Dec. 10, 2011.
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With a little help, you can see the first hint of the Earth's shadow — the penumbra — on the Moon's surface. Here's what you need to know.
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In Search of Selenelion
— June 26, 2010
Saturday's partial lunar eclipse offered some skygazers the rare chance to see the partly-hidden Moon and the rising Sun at the same time.
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Looking at the Sun is harmful to your eyes at any time, partial eclipse or no. Fortunately, there are many easy ways to watch the show safely.
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Using a safe solar filter, it's easy to photograph a partial solar eclipse.
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A total eclipse of the Sun is a spectacular sight. With a little preparation and advance planning, you can capture your own souvenir portrait of this awe-inspiring sight.
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