EditorialAn undated image provided by NASA, HST and Noll, which was made by the Hubble Space Telescope, shows the Trojan asteroid Eurybates and its satellite, Queta, circled in green. (NASA, HST, and Noll via The New York Times)
EditorialAn undated image provided by NASA, HST and Noll, which was made by the Hubble Space Telescope, shows the Trojan asteroid Eurybates and its satellite, Queta, circled in green. (NASA, HST, and Noll via The New York Times)
EditorialThe sun seems a little less active than hundreds of similar stars in our galaxy, which could play a role in why life exists in our solar system. (NASA/GSFC/SDO via The New York Times)