The galaxy is expected to be home to billions of free-floating, or "rogue", planets that have no stellar companion. These worlds have been kicked out of the system where they formed, and they travel ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free ...

A new research paper, published in the Science Advances journal, has postulated that rocky planets like ours may be far more common than we previously believed. Previously, scientists had concurred ...