Space Researchers Discover that an Exoplanet is Earth-like in Mass and Size by Gary Kopycinski on October 31, 2013 Gary Kopycinski Author More in Space: How NASA Tracked the Most Intense Solar Storm in Decades May 16, 2024 Hubble Finds Hungry Black Hole Twisting Captured Star Into Donut Shape January 12, 2023 Christmas Launch Now for the James Webb Space Telescope December 21, 2021 While too hot to support life, Kepler 78b is roughly the size of the Earth.