Iceberg twice the area of New York City to break off Antarctica
The break could happen anytime this year or early next year, say experts
In a first, fly ash particles found in Antarctic ice, thousands of kilometres from potential source
The sample dated back to 1936, indicating physical markers of fossil fuel combustion have been trapped in ice layers for decades
Emperor penguin at risk from global warming
Study estimates penguin population in Antarctica to decline by 50 per cent
New robotic study finds dense ice under Antarctic
First survey to drill into underwater ice as deep as 20 metre