Second Earth-sized World Found in System's Habitable Zone – Exoplanet Exploration: Planets Beyond our Solar System

Habitable zone - Wikipedia

The Past, Present, and Future of Faraway Worlds - The Ringer

Second Earth-sized World Found in System's Habitable Zone – Exoplanet Exploration: Planets Beyond our Solar System

Two new solar systems have been found relatively close to our own. One of them is just 160 light years from Earth and includes three planets that are remarkably similar in size

15 new planets discovered -- one is potentially habitable

Kepler Spots Closest Thing Yet to Another Earth

Giant gas planets may prevent life in other solar systems

Scientists discover 'super-Earth' that may host water and 15 other planets

Earth-Sized, Habitable Zone Planet Found Hidden in Early NASA Kepler Data – LPIB

Astronomers Have Found Another Possible 'Exomoon' beyond Our Solar System

Planet - Wikipedia

Current Status and Purpose of Exoplanet Exploration

The Exoplanet That Paved the Way for TESS Exploration - The Atlantic

Second Earth-sized World Found in System's Habitable Zone – Exoplanet Exploration: Planets Beyond our Solar System

10 Remarkable Exoplanets