The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations -- and suggests these faraway worlds formed in a manner never seen ...

Astronomers say a newly discovered solar system about 116 light years from Earth is challenging long held ideas about how planets form.According to CNN, researchers using telescopes from NASA ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million miles long. Credit: Jose-Luis Olivares / MIT illustration Astronomers have accidentally found a planet with ...