LifeSETI looks at red dwarf stars in its search for ancient aliens The extraterrestrial-hunting SETI Institute is aiming its array of radio telescopes at 20,000 small, cold stars unlike our own to see if anyone is home 51¶¯Âþ
SpacePluto may have hosted lakes and rivers of liquid nitrogen Studying how the dwarf planet's climate changed over time shows it once had the right conditions for liquid to flow on its surface - and may still have buried lakes today 51¶¯Âþ