Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

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

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

The brown dwarf pair was first spotted years ago ... Probing these wacky celestial bodies can help us understand how ...

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… ...

but heavier than gas giant planets. (M. Kornmesser/ESO via AP) This artist’s illustration provided by the European Southern Observatory shows an exoplanet orbiting around two brown dwarfs ...

Pluto remains a fascinating and beloved part of our solar system with a slightly less glamorous title. At this moment, Pluto is still classified as a dwarf planet. Despite ongoing debate and ...