EditorialHenry Segerman, a British American mathematician and inventor at Oklahoma State University, at his home studio in Stillwater, Okla., Dec. 3, 2022. (Brett Deering/The New York Times)
EditorialAn image provided by NASA shows an artist’s concept of the Trappist-1 planetary system, seven Earth-like planets circling a dwarf star 40 light-years away, discovered by the Spitzer Space Telescope in 2017. (NASA/JPL-Caltech via The New York Times)
EditorialAn image provided by NASA shows an artist’s concept of the Trappist-1 planetary system, seven Earth-like planets circling a dwarf star 40 light-years away, discovered by the Spitzer Space Telescope in 2017. (NASA/JPL-Caltech via The New York Times)
EditorialMarble sarcophagus lid with reclining couple, Imperial, Severan, ca. A.D. 220, Roman, Marble, length 91in. (231.1cm), Stone Sculpture, The couple are shown as semidivine personifications of water and earth. Like Hellenistic and Roman images of river go...