ROCKS OF AGES Big bangs and sky stones — SA’s meteorite hunters on exactly what that flash in the sky was 5 min 0 By Estelle Ellis
THE CONVERSATION TRIBUTE Pioneering astrophysicist Frank Drake has died, but his equation for alien intelligence will provoke us forever 4 min 0 By David Rothery
THE CONVERSATION Nasa considers sending swimming robots to habitable ‘ocean worlds’ of the Solar System 4 min 0 By David Rothery
Op-Ed SA geologist collaborates with Nasa to investigate the habitability of Jupiter’s moon Europa 4 min 0 By Dian Spear
