#space #spacedocumentary #universe #theuniverse #howtheuniverseworks #htuw The explosion of knowledge of planets orbiting other stars, called exoplanets, and the results of decades of research on signatures of life - what scientists call biosignatures - have encouraged NASA to address, in ...

#space #science #theuniverse #howtheuniverseworks #htuw The thought of finding alien life has fascinated people since the time of the ancient Greeks—but developments in astrobiology could be about to turn this possibility into reality. How do you hunt for life beyond Earth—and might ...