The federal government says it is not muzzling its scientists, but others inside and outside Canada's scientific community are concerned with what they see as an alarming trend to limit the free exchange of knowledge.

The European Union has given Google "a matter of weeks" to propose remedies to antitrust concerns arising from its alleged dominant position in the online search market.

One of the top climate scientists in the world suggests Alberta's oilsands should not be the focus of concern about global warming.

The New York Stock Exchange and German exchange Deutsche Boerse called off their planned merger Thursday, a day after the European Union said it would block the union because of concerns about a monopoly.