Astronomers using the James Webb Space Telescope have discovered evidence of massive, free-floating planets capable of forming their own planetary systems without a star.

So much for heliocentrism. An international team of astronomers using observations made with the James Webb Space Telescope have found evidence that there's massive planets out there capable of ...

Venus and Jupiter will meet in a conjunction in the early morning hours of Aug. 12. Here's everything you need to know to ...