exobiology

NASA Kepler, Kepler space telescope, red dwarf stars, exoplanets, NASA Tess, Kepler K2 mission, transit method, radial velocity method, exobiology, Goldilocks zone, habitable zone, SETI, Milky Way galaxy,

Farewell to Kepler, the First Great Planet-Hunter

According to the theory of panspermia, outer space seeded Earth with comet-borne primitive life forms over four billion years ago. Credit: Yuri_B/pixabay

Are We the Aliens We Seek?