ESO's HARPS instrument finds Earth-mass exoplanet around Ross 128
New work will help astronomers allocate scarce observing time to the most promising candidates for habitability
In a recent study, calculated water loss rates as well as geophysical water release rates favor the idea that the outermost, more massive planets retain their water
Paper shows for the first time just what “pessimism” or “optimism” mean when it comes to estimating the likelihood of advanced extraterrestrial life
"Early life is fragile, so we believe it rarely evolves quickly enough to survive," ANU researchers say.
Powerful telescopes are coming soon. Where exactly shall we point them?
Among the billions and billions of stars in the sky, where should astronomers look for infant Earths where life might develop?