Polls 101: a statistician on truth and fiction in opinion polling

The only thing more volatile than the polling is the commentary around the volatile polling. Statistician Richard Arnold tackles some of the critical questions.

RIP, Cassini. Thanks for all the memories

The 20-year-old Saturn exploring Cassini spacecraft meets its fiery demise this week. Beyond revealing the universe to us, space exploration exposes our own small place in the big picture, writes Richard Easther

No ordinary star-gazing: my ride aboard the Stratospheric Observatory

When astrophysicist Jordan Alexander was given the chance to travel on the Stratospheric Observatory For Infrared Astronomy, he leapt at it.

Climate change is already destroying lives in the Pacific

As the rest of the world largely ignores the gradual onset of climate, for the people of the Pacific their lives are already being drastically affected. Former President of Kiribati Anote Tong says we must act together to help his people survive climate change.