The nearest single star to the sun, Barnard’s star, has a brood of planets all its own. The red dwarf star, about six light-years from Earth, hosts four close-in planets each about two to three ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Barnard's Star is a red dwarf, also known as an M-dwarf ... The innermost planet in the system is planet d (the planets are named in order of discovery, not distance from the star), which has ...

Find out about the solar system and learn the order of the planets with a song ... is also home to lots of asteroids, moons, and dwarf planets such as Pluto.

That fact that ultracool dwarf stars are scattered across the sky means scientists must observe the objects one at a time and over a period of weeks in order to detect possible transiting planets.

To do it, he developed a model that simulated an Earth-like planet orbiting a white dwarf. He modeled the orbiting Earth-like planet as the habitable zone devolved, noting how much energy it ...