Artist impression of the four classes of planetary system architecture. A new architecture framework allows researchers to study an entire planetary system at the systems level. If the small planets ...

Scientists have grappled for centuries over the composition of the universe. From its infinite size to the search for intelligent life on planets beyond our own, a variety of questions keep humans up ...

Astronomers have long been aware that planetary systems are not necessarily structured like our solar system. Researchers have now shown that there are in fact four types of planetary systems. In our ...