The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

"This is a crucial step towards characterizing giant planets beyond our solar system." ...

The Bushman Planetarium at Missouri Western State University is giving residents and astrology fans the chance to explore the ...

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out during the early evening hours of ...

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

Is it a two-for-sun deal. Astronomers were blown away after discovering a bizarre exoplanet that orbits twin stars closer than any ever seen before in a binary star system, per a starry study ...

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...