There are more pairs of stars than solo stars in our galaxy, but fewer pairs host planets. (newscientist.com)
Forgan and his co-authors found that when galaxies collide, the habitable zone is transformed and then gradually settles back to its general trend: Stars at larger distances from the galactic center have higher chances of hosting planets hospitable to life. (sciencemag.org)
More massive stars are more likely to host planets more massive than Saturn, but this correlation may not exist for smaller planets. (britannica.com)