With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...
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 ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a strange middle category. .