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

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

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you line all the planets in our solar system up, the four closest to the sun are ...

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, ...