"The configuration that we end up with within the solar system is definitely not something that is indeed common," Chen told ...

A recent discovery of a “newborn” exoplanet could help scientists explain how our own home world came to be. In a study ...

Scientists have discovered a nearby exoplanet that is just a baby by planetary standards, located 520 light-years away.

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

Data from the massive telescope also suggests the exoplanet, the name for a planet outside the solar system, may also have a surface covered in water and an atmosphere rich with hydrogen.

For centuries, planets beyond our solar system—called exoplanets—existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the ...