DM168 If the universe is infinite, what is it expanding into? Here are ways to tackle a cosmic brain teaser 5 min 3 By Nicole Granucci
DM168 Big bangs and sky stones — SA’s meteorite hunters on exactly what that flash in the sky was 5 min 0 By Estelle Ellis
Maverick Life Stephen Hawking and I created his final theory of the cosmos – here’s what it reveals about the origins of time and life 5 min 6 By Thomas Hertog
Maverick Life Your smile’s cosmic history: we discovered the origin of fluoride in early galaxies 4 min 0 By James Geach
Sci-Tech Nobel goes to three physicists who show universe is expanding faster, not slower 5 min 0 By J Brooks Spector
