Browsing Tag
habitable planets
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…
Jets from powerful black holes can point astronomers toward where − and where not − to look for life in the universe
Black holes, like the one in this illustration, can spray powerful jets. S. Dagnello (NRAO/AUI/NSF), CC BY-SA David…