By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet ...

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

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

Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

A newly discovered planet orbiting a distant star may change scientists’ understanding of how planetary systems form. View on ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

The system, observed using the European Space Agency's Cheops space telescope, consists of four planets — two rocky and two ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...

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

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

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 ...