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

Grab your telescope and join us on a sightseeing tour, before the moon returns to spoil the fun!

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

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

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are essential. Phosphorus is vital for the formation of DNA and RNA, which store ...

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