Just because a gas moon is possible, does not mean they will form easily. The key thing about gas planets is that they are ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

crescent moon will also align with planets Alignment isn't rare, but seeing multiple planets at once is This June 2023 image provided by the Space Telescope Science Institute shows the planet Saturn ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Astrologer Alexandria Lettman reveals what the stars have in store for every zodiac sign's horoscope on Monday, February 17, ...

A pair of astrophysicists with Aix- Marseille Université, CNRS, and Institut Universitaire de France have developed a new ...

Pluto has five moons—“fun-looking space potatoes,” Singer calls them—and its largest is a behemoth. Charon was discovered in ...