In 2006, the International Astronomical Union stopped classifying Pluto as our solar system’s ninth planet and demoted its ...

One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

W hen it comes to magical girl anime, Sailor Moon reigns supreme as one of the most amazing and genre-defining examples.

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

A team of international astronomers led by Richard Teague, the Kerr-McGee Career Development Professor in the Department of ...

The stately and inclined spiral galaxy NGC 3511 is the subject of this NASA/ESA Hubble Space Telescope image. The galaxy is ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...