EditorialMegan Mansfield, a University of Arizona astronomer and a lead investigator in an effort to study exoplanets, in Tuscon, Ariz., June 23, 2022. (Rebecca Noble/The New York Times)
EditorialAn undated image provided by NASA shows an artist?s conception of seven rocky exoplanets 40 light-years from Earth that make up the TRAPPIST-1 system. (NASA/JPL-Caltech via The New York Times)
EditorialIn an undated image from NASA, an artist's concept of Kepler-186f, the first validated Earth-size planet to orbit a distant star in the "habitable zone." (T. Pyle/NASA Ames/JPL-Caltech via The New York Times) -- FOR EDITORIAL USE ONLY