Browsing Tag
extraterrestrial life
3 posts
‘Extraordinary claims require extraordinary evidence’ − an astronomer explains how much evidence scientists need to claim discoveries like extraterrestrial life
The universe is filled with countless galaxies, stars and planets. Astronomers may find life one day, but they…
Scientists claim to have found evidence of alien life. But ‘biosignatures’ might hide more than they reveal
Artist’s impression of the exoplanet K2-18b. A. Smith/N. Madhusudhan (University of Cambridge) Campbell Rider, University of Sydney Whether…
The (Possible) Cosmic Origins of DNA
The theory of pseudo-panspermia suggests that the essential building blocks of life, such as amino acids and nucleobases,…