A sunspot is bigger than the Earth, as demonstrated in this colorized image.

The Source of the Sun’s Dark Spots

A new study provides insight into how convection creates sunspots

What bits of the universe are legal to own?

A Quick Guide to Owning the Universe

If someone tries to sell you the Brooklyn Bridge, you know it’s a hoax. But what about a meteorite, moon or star?

Blogger Sarah brought NASA-mission-themed cookies to the office last week

Why I’m Not Sorry to See the Space Shuttle End

I have to say, when I think about the end of the Space Shuttle program, I’m really not that sorry to see it come to a close

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A Quick Tour Through the Nature of our Universe

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Search for Alien Signals Goes on Hiatus

Yuri Gagarin saying hello to the press during a visit to Malmö, Sweden 1964

50 Facts for the 50th Anniversary of the First Man in Space

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Meet Earth’s New Companion Asteroid

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Neutron Star May Have Superfluid at Its Core

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Why the Sun Was So Quiet for So Long

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Edgar Allan Poe and the World of Astronomy

Still from movie 2012.

NASA Picks Best & Worst Sci-Fi Movies. What Are Yours?

The space agency lists their favorite flicks

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What Will Happen When We Find Alien Life?

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A Moon That Might Have Had Its Own Moon

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The Glorious Sun: An Idea for Christmas Ornaments

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Caroline Herschel: Assistant or Astronomer?

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More Stars in the Universe

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Who Would You Send on a One-Way Trip to Mars?

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Stars on the Move

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Picture of the Week: The Witch Head Nebula

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Royal Observatory Photography Prize

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