Atmosphere survival model refines search for habitable planets

Researchers have developed the Smaller Than Earth Habitability Model (STEHM) to assess which planets can maintain ...
SpaceRef

The First Earth-size Planets Beyond Our Solar System

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in ...
nerdist

This Size Comparison of Saturn’s 83 Moons Escalates Quickly

Saturn has 83 known moons, the most of any planet in our Solar System. This size comparison video from MetaBallStudios lines them all up, with London as the background. The same YouTuber recently ...
SpaceRef

Earth-Size Planets Are Common in Our Galaxy

An analysis of the first three years of data from NASA’s Kepler mission, which already has discovered thousands of potential exoplanets, contains good news for those searching for habitable worlds ...
techtimes

NASA’s TESS Spots a 2nd Earth-Size Planet that may Retain Liquid Water

Astronomers have discovered a planet the size of Earth named TOI 700 e that is circling within the habitable zone of its star, or the range of distances where liquid water might exist on a planet's ...
New York Post

NASA finds Earth-size planet that could be habitable: ‘An exciting prospect’

Our galaxy may have acquired some new real estate. NASA has discovered an Earth-size planet orbiting around a faraway star — and it could be habitable. Dubbed TOI 700 e, the exoplanet is the fourth ...
SpaceNews

Five Earth-Size Planets Discovered by NASA’s Kepler Spacecraft

Astronomers poring over four years of data from NASA’s Kepler spacecraft have discovered a star that’s 11.2 billion years old and has at least five Earth-size planets. “We thus show that Earth-size ...