Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

Brown dwarfs are sometimes called failed stars because they’re lighter than stars, but heavier than gas giant planets. A ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

Pluto is undoubtedly the most famous of all the dwarf planets, because it was once considered part of the main lineup of planets in our solar system. But there are… ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Once the quirky underdog of our solar system ... Now officially labeled a “dwarf planet,” Pluto may have lost its title, but not our affection. After all, who doesn’t love a comeback ...