Astronomy Magazine

Astronomy Magazine


The best-selling astronomy magazine

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If a black-hole-orbiting planet like Interstellar's Gargantua really exists, could life survive there?

Reader question: Could the irregularities astronomers detected in Neptune’s orbit HAVE been caused by “planet nine”?

How big is that moon? This amazing graphic shows our solar system’s moons to scale.

Smacking an asteroid with a bomb or a smaller asteroid should shatter it into manageable pieces, right? Wrong.

Strange behavior may hide deeper meanings within our star.

A prototype "lunar oxygen plant" is testing a method for extracting oxygen from imitation Moon rocks.

Reader question: If tachyons exist, how might they be detected?

Staggeringly huge, surprisingly small, and blisteringly fast — stars come in many sizes and flavors. Here are some of the strangest.

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Earth reaches perihelion, the closest point to the Sun during its year-long orbit, at midnight EST tonight. The two then lie 91.4 million miles (147.1 million kilometers) apart.

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Scientists think they've reversed time using IBM's quantum computer, possibly breaking a law of physics.

Astronomers have determined the disk of our galaxy is 200,000 light-years across — twice as large as was believed a decade ago.

Voyager 2 shut down an instrument heater, but is still going strong, more than forty years after launch.

One of the night sky's brightest stars is now the faintest it's been in a century. Astronomers aren't sure what it means.

One of the night sky's brightest stars is now the faintest it's been in a century. Astronomers aren't sure what it means.

This exoplanet is "the best candidate for habitability that we know right now," astronomers say.

A Hubble Space Telescope discovery could help astronomers find out if supermassive black holes really can collide.

Astronomers recently found a giant planet orbiting a tiny white dwarf for the first time, providing a glimpse into the fate of the solar system.

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