Sci-Tech If the universe is infinite, what is it expanding into? Here are ways to tackle a cosmic brain teaser By Nicole Granucci
South Africa SA rocket scientist’s bespoke nuclear fuel powering potential to settle on the moon and beyond By Alan Duggan
World Pioneering astrophysicist Frank Drake has died, but his equation for alien intelligence will provoke us forever By David Rothery
South Africa Einsteinian Ecstasy: The supermassive black hole at the centre of our galaxy revealed and photographed By Elsabé Brits
Magazine A quarter of Sun-like stars eat their own planets, according to new research By Lorenzo Spina
Sci-Tech NASA’s most-advanced Sun-studying spacecraft, Solar Dynamics Observatory, finally launched By Branko Brkic