Researchers have a new theory as to what caused the infamous Titan submersible implosion, killing all five people on board.

The federal government has cancelled an Ajax, Ont., woman's Canadian citizenship over an error it said it made more than 30 years ago — forcing her to pay hundreds of dollars in a bid to get it back.

Months-long investigation into politically charged killing also probes links to other cases: sources

11 Canadians have been killed in the conflict

Frustration with Canadian officials leads some to seek help from other organizations

A political life in pictures, from Meech Lake to NAFTA

Baie-Comeau, Quebec-born leader negotiated U.S. free trade deal, introduced GST

The mysterious knocking sounds heard beneath the Atlantic Ocean that gave false has been revealed in a haunting new audio clip.

Bill proposes to enshrine age verification requirement

Norway is considered the world leader in electric vehicles, with roughly one-quarter of all cars on the road now electric. How did the country get here? And what can Canada learn from its experience?

Applicants will soon need to show they have access to $20,635 instead of $10,000

The prime minister’s bleak reality: Canadians don’t like him anymore.

Process of rebuilding a life can lead to frustration and loss of self-esteem, experts say

Trudeau government backed US-led push to install rival leader

Rainbow still shut as Peace, Queenston-Lewiston, Whirlpool Rapids bridges reopen

The FBI is investigating a vehicle explosion near Rainbow Bridge that has killed two people

5-day holiday of Diwali commemorated globally by Hindus, Jains, Sikhs and some Buddhists

Hamas-run Health Ministry says overnight Israeli strikes killed more than 700

For singers including Junny and P1Harmony's Keeho, moving was what they needed to make a name for themselves