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

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

Deep in the older, denser reaches of the Milky Way, there is a red dwarf star that shouldn’t exist — or at least, its family ...

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you ...

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

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s illustration provided by the European Southern Observatory shows an exoplanet orbiting around two brown dwarfs, ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests. When you purchase through links on our site, we may earn an affiliate ...