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

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

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

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

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

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

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

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

In our Solar System, the inner planets (Mercury to Mars) are rocky, and the outer planets (Jupiter to Neptune) are gaseous. This planetary pattern – rock then gas - is consistently observed acro ...

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