New observations show that newly formed planets close to a star help shepherd dust and gas to create more planets farther out ...

New radio astronomy observations of a planetary system in the process of forming show that once the first planets form close to the central star, these planets can help shepherd the material to form ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

A planetary parade is set to be visible in the night sky for the start of the new year -- and this one will bring with it a ...

The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

You don't need a telescope to admire the majesty of our planetary neighborhood. Planets like Jupiter and Venus reflect ...

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This January, the seven visible planets will align in the sky in a “planet parade.” The rare celestial event will start just ...

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019 ...