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

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

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be ...

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

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...