The secret behind the formation of super-Earth and sub-Neptune exoplanets has been revealed, thanks to a study of four young planets that are evaporating. Some 350 light-years away, the V1298 Tau ...

Something similar happened around countless other suns, the vast majority of which are thought to have planets. Astronomers are trying to figure out how exactly the planetary formation process happens ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom ...