Milky Way much bigger than thought
Astronomers revise estimates of size, say galaxy bigger, faster than they had calculated
Pink iguanas offer evolutionary clue
Galapagos reptiles unseen by Darwin offer clue to earlier evolutionary divergence
Gene found that helps cancer spread
Scientists can seek drugs that target MTDH, singled out as gene that metastasizes tumours
Basalt wall found off Taiwan
Rare to find collection of monoliths – similar to Ireland's Giant's Causeway – under water
Alzheimer's not just for aged
Almost 15 per cent of Canadians suffering dementia are younger than 65, study says
Shrinking Tanzanian forests yield new species
Seventeen kinds of reptiles, amphibians uncovered in regions threatened ecosystem
Nanotechnology
Science of tiny raises big hopes, big fears
Matter as small as a speck of dirt on foot of a flea may portend great beginning or lead to dire consequences
Innovations
2009: The big ideas
This could be the year we grow our own limbs, map our own DNA and get to know our virtual selves.
Weather
Rain, cold and ice top Canada's stories
Wet summer, warming Arctic lead list of stories
In Photos
Year of space
From a meteorite in Saskatchewan to some of the most distant stars













