Want to know how the Millennium Falcon compares in size to an Imperial Star Destroyer? Just watch a Star Wars movie. But if you want to know how that hunk of junk compares to the Battlestar Galactica, ...

There’s something about comparing the sizes of unthinkably large objects that’s endlessly intriguing. Looking at a comparison of all the various sizes of stars in the universe, for example, makes for ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or "hot Jupiters," astronomers can spend months or years ...

A recent study published in The Astrophysical Journal Letters explores how binary star systems—two stars born together orbiting each other—can serve as natural laboratories for understanding planet ...

We’re sorry to disappoint Star Trek fans, but the exoplanet often compared to Mr. Spock’s fictional world has turned out to be nothing more than star flickers ...