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

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

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

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

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

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

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

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

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