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

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

The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than the familiar one by which most systems grow ...

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 ...

Mark your calendars for the last week of February, because one of the coolest celestial events is coming around again: Six planets will be visible in the night sky at the same time. This phenomenon, ...

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

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the core ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. There’ s six-planet parade on Monday, Aug. 25, just before ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of ...