Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A six-planet "parade" — an alignment with Mercury, Venus, Neptune, Saturn, Uranus and Jupiter — is coming Feb. 28. When and how to watch it in Ohio.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...