Proms pay space-aged tribute to Nasa engineer Christopher Kraft
Chris Kraft, who founded Nasa's mission control, is honoured at the Proms after his death this week.
Author Archives: BBC News - Science & Environment
Arctic wildfires: How bad are they and what caused them?
Wildfires are raging in Siberia, Alaska, Greenland and Canada, many of them in the Arctic Circle. Why?
Tim Flannery: Climate change – very big and fast moving
Tim Flannery, chief councillor of Climate Council Australia, warns about the pace of climate change.