Second Earth-sized World Found in System's Habitable Zone

A second Earth-sized world is found in habitable zone of a star with three previously known planets.

Newly Discovered Planet May Be First Truly Habitable Exoplanet

Second Earth-sized World Found in System's Habitable Zone

A Second Earth-Like Planet May Exist In The Solar System, Say Scientists, Planet

Super-Earth': Nasa discovers a potentially habitable planet, 137

A Second Earth-Like Planet May Exist In The Solar System, Say Scientists, Planet

A Second Earth-Like Planet May Exist In The Solar System, Say Scientists, Planet

A Second Earth-Like Planet May Exist In The Solar System, Say Scientists, Planet

A Second Earth-Like Planet May Exist In The Solar System, Say Scientists, Planet

Earth-Sized Exoplanet Found in Habitable Zone around Red Dwarf

NASA exoplanet telescope discovers 'super-Earth' in its star's

Twice as bright: Earth-sized planets with two suns could still be

Overview Planet Types – Exoplanet Exploration: Planets Beyond our Solar System

The hunt for habitable ocean worlds beyond our solar system