Retired astrophysicist Fred Espenak has been observing the moon for about 60 years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Retired ...

Retired NASA astrophysicist Fred Espenak, also known as "Mr. Eclipse" of Portal, Ariz., took the photo that shows a total solar eclipse seen from Jalu, Libya, on March 29, 2006.

Astrophysicist and eclipse expert Fred Espenak, also known as Mr. Eclipse, has traveled the world observing and photographing solar and lunar eclipses. He's currently gearing up for the Aug. 21 ...

We can thank people like Fred Espenak, also known as Mr. Eclipse, for working out the science and the math to tell us exactly when and where this month’s solar eclipse can be seen.

Fred Espenak: I've been to 27 total eclipses, and I've seen about 20 of them. [The rest were obscured] by weather, clouds. Space.com: How many continents have those eclipses been on?

Fred Espenak, a retired NASA scientist who is responsible for the calculations of future solar and lunar eclipses around the world. "It's all worked out, there's no secrets involved," Espenak said ...

Audie Cornish speaks with Fred Espenak, scientist emeritus at NASA Goddard, also known as "Mr. Eclipse," about the lunar eclipse that will happen Monday night.

One example is the retired astrophysicist Fred Espenak, who earned a bit of celebrity when the United States Postal Service chose his photo of an eclipse for a 2017 stamp—an efficient way to ...

Fred Espenak, aka "Mr. Eclipse," is a retired astrophysicist who has witnessed 27 total solar eclipses. In the days leading up to this month's eclipse, he'll be in Casper, Wyo.

Retired astrophysicist Fred Espenak, known as “Mr. Eclipse” for his work on eclipse predictions, will speak Friday night at the University of Missouri-Kansas City about the upcoming total eclipse.

Fred Espenak is the type of person who doesn't wait for a total eclipse to come to him. For nearly 50 years, he's traveled to every continent -- even Antarctica -- to witness the natural wonder he ...

Astrophysicist and eclipse expert Fred Espenak, also known as Mr. Eclipse, has traveled the world observing and photographing solar and lunar eclipses. He's currently gearing up for the Aug. 21 ...