Delhi chokes on toxic smog after Diwali festival

New Delhi was shrouded in a thick blanket of toxic smog Monday after millions of Indians lit firecrackers to mark the Diwali festival, with authorities reporting record levels of pollution in parts of the capital.

Ancient tectonic activity was trigger for ice ages, study says

For hundreds of millions of years, Earth's climate has remained on a fairly even keel, with some dramatic exceptions: Around 80 million years ago, the planet's temperature plummeted, along with carbon dioxide levels in the ...

Increased spread rate of the fish round goby in the Baltic Sea

The invasive fish species round goby is spreading at an incredible rate in the Baltic Sea. In his doctoral dissertation, Magnus Thorlacius at Umeå University in Sweden, presents evidence of asocial behaviour, higher risk ...

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