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

NASA’s Interstellar Boundary Explorer, known as IBEX, has spent more than a decade mapping an invisible structure of magnetic fields and charged particles that envelops the solar system far beyond ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals formed much later than expected. These late-forming bodies match the ages and ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.