Finding a planet is one thing; proving it is a planet when it has no star is the part that usually breaks the story. A newly ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Every 27 to 29½ years, the planet Saturn returns to the same sign and degree it occupied at the time of our birth. This cosmic event, known as the Saturn return, can profoundly impact our lives, ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

The rings of Saturn will temporarily “disappear” this weekend, though most stargazers will be unlikely to see it. The rings are not actually going away, but will be imperceptible because the ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

One of the highlights to be found in this month’s Colorado sky is the golden-hued planet Saturn which can be seen forming an equilateral triangle with the Aquarius Water Jar and the Pisces Circlet in ...