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

A rocky exoplanet in the LHS 1903 system defies planet formation models, hinting that gravitational upheaval reshaped the red ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

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

Stargazers, get ready for a celestial show! A planetary alignment featuring six planets will be visible in late February and ...

The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than the familiar one by which most systems grow ...

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

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

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

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...