When it comes to four or more planets in the night sky, that's a bit less common ... gas giant was ejected from the solar system, now a 'rogue planet', doomed to forever wander the empty void ...

Using the James Webb Space Telescope (JWST), astronomers have peered into the atmosphere of a cosmic body that could be a ...

WASHINGTON (Reuters) -- Eighteen rogue planets that seem to have broken all the rules about being born from a central, controlling sun may force a rethink about how planets form, astronomers said ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

A study published in Science Advances sheds new light on the mysterious origins of free-floating planetary-mass objects (PMOs)—celestial bodies with masses between stars and planets. Led by Dr ...

When it comes to four or more planets in the night sky, that's a bit less common ... "Certain models even suggest that a fifth gas giant was ejected from the solar system, now a 'rogue planet', doomed ...