Entries from September 2009 ↓

Radiation left from the big bang is still glowing in the sky – in a mysterious and controversial pattern

Something unseeable and far bigger than anything in the known universe is hauling a group of galaxies towards it at inexplicable speed

Tens of millions of years ago, the average temperature at the poles was 15 or 20 °C. Now let’s talk about climate change

Space probes using Earth’s gravity to get a slingshot speed boost are moving faster than they should. Call in dark matter

The fusion of two distinct evolutionary lines is not supposed to work – but the seas are teeming with chimeras that prove it can