methane

  • K2-18b

    Roughly 124 light-years away in the Leo constellation lies K2-18b, a distant world first identified in 2015 through data from NASA’s Kepler Space Telescope. This exoplanet orbits a cool red dwarf star, K2-18, within its habitable zone, where conditions might… Continue reading

    K2-18b
  • The Search for Exoplanet Biosignatures

    Life tends to push chemical environments away from equilibrium. On Earth, the coexistence of oxygen and methane in the atmosphere is a sign of life. Detecting such imbalances elsewhere could indicate biological processes. Upcoming telescopes like the James Webb Space… Continue reading

    The Search for Exoplanet Biosignatures