• Gas giant composition not determined by host star

    Press release about Teske et al. (2019), in which we measured the compositions of stars that host cool, giant planets, and found a surprising result that we think is related to giant planet formation!
  • TESS mission helps uncover trio of planets with one possibly habitable world

    Press release about an exciting new three-planet system, which was hiding like buried treasure in our radial velocity data but needed TESS data to help confirm.
  • TESS finds its first Earth-sized planet

    Another press release HD 21749, this time highlighting the smaller, Earth-sized planet detection
  • TESS discovers its third new planet, with longest orbit yet

    Press release about two new planets detected by TESS, which we helped confirm with Magellan/PFS radial velocities
  • Signs of a ‘super Earth’ discovered around a nearby star

    Press release about a small planet detected around Barnard's star, the second closest star (and closest single star system) to our own.
  • Rocky planet neighbor looks familiar, but is not Earth’s twin

    Press release about the composition of exoplanet host star Ross 128, and what it might imply for the composition of the orbiting rocky planet.’s-twin
  • Are you rocky or are you gassy? Carnegie astronomers help unlock the mysteries of super-Earths

    Press release about our follow-up observations of a trio of exoplanets detected by the K2 mission, to measure the planets' masses.
  • The long and short of it: Iron-rich stars host shorter-period planets

    Press release about how planet orbital period seems to be related to host star metallicity, as measure by APOGEE
  • Between a Rock and a Hard Place: Can Garnet Planets Be Habitable?

    Press release about small planet interior models resulting from APOGEE host star abundance measurements January 2017
  • Discovery one-ups Tatooine, finds twin stars hosting three giant exoplanets

    Press release about first published planet detections with Planet Finder Spectrograph on Magellan August 2016
  • Diamond ‘Super-Earth’ May Not be Quite as Precious, UA Graduate Student Finds

    Press release about 55 Cnc's composition and the implications for its planets October 2013