Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

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 ...

Barnard's Star is a small, dim star, of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get here, it ...

Scientists no longer need to rely on theoretical models to study the solar core. Neutrinos, emitting from nuclear fusions, ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

A very rare treat is about to grace Earth's night skies.

"Planet parade" is not a real astrological term. According to NASA, planets always appear in a line in the sky. The planets rotate around the sun basically in a disc-shaped track. Earth sees other ...