Large outbreak in Massachusetts mostly infected vaccinated people, CDC study finds

Scientists in the U.S. who studied a big COVID-19 outbreak in Massachusetts concluded that vaccinated people who got so-called breakthrough infections carried about the same amount of the coronavirus as those who did not get the shots.

Frank Beard, the drummer for the Texas boogie-rock trio ZZ Top who kept the tempo for the band's biggest hits like Sharp Dressed Man, Legs and Gimme All Your Lovin,' has died.

Leading up to the announcement of a new Churchill Falls agreement, questions swirled about what would happen if Quebec elects new leadership in the fall. But according to one political expert, Ottawa’s influence will make the deal much harder to break.

The family of a toddler who fell to her death from a highrise apartment in North York in May is suing the building owners and its management for millions in damages.

Further escalating its battle with the Trump administration, ABC on Tuesday took the rare step of suing the Federal Communications Commission on First Amendment grounds, saying the agency's demand for early review of broadcast licences posed an "existential threat" to its operations.

Commercial pilots and flight attendants face higher odds of dying from radiation-linked cancers than hundreds of other professions, a landmark study suggests. Researchers point to high-altitude cosmic rays, raising calls for better awareness and tailored health screenings.

Brayden Bushby, the man convicted of manslaughter in the 2017 death of Barbara Kentner in Thunder Bay, Ont., has been granted full parole with conditions. The decision was made by the Parole Board of Canada (PBC) on Thursday, according to documents provided to CBC News on Tuesday.

Provincial police say they have found a third set of human remains at a property near Smiths Falls in eastern Ontario. They have identified the latest remains as Lawrence Bertrim, who was last seen in 2022.

A teepee cover was stolen from Kawacatoose First Nation in 1926 and housed at the Smithsonian Institution in Washington, D.C., for a century. It will now finally return to the original owner's descendants.

The RCMP issued another "duty to warn" letter to a Sikh separatist, Inderjeet Singh Gosal, who replaced Hardeep Singh Nijjar as leader of the Khalistani referendum effort in Canada. The newest threat raises more questions about the Carney government's claim that threats from the Indian government in Canada have been neutralized.

Crews are planting thousands of trees in a vast national park in western Newfoundland to help its forests recover from a moose population that was once among the most abundant on Earth.

The Crown is appealing a rare post-verdict mistrial declared last month in Frank Stronach's sexual assault conviction.

Prime Minister Mark Carney will speak to his American counterpart on Tuesday by phone to try and hammer out a deal to avoid new U.S. tariffs on some $30 billion in Canadian goods due to take effect just after midnight, sources told CBC News.

Canadian and American negotiators are expected to meet again on Tuesday to try and hammer out a deal to avoid new U.S. tariffs on some $30 billion in Canadian goods due to take effect just after midnight.

Juno-award winning musician Ashley MacIsaac has ended his defamation suit against Google over its AI overview falsely labelling him as a sex offender. He was originally seeking $1.5 million in damages, but filed a notice of discontinuance in July.

Scientists observing clusters of stars congregated near the Milky Way's centre have discovered evidence that our galaxy swallowed a smaller galaxy roughly 11.8 billion years ago, when the universe was less than 15 per cent of its current age.

Hayden Panettiere’s ex-fiancé Wladimir Klitschko — the father of her only child — is speaking out about her sudden passing. The Ukrainian boxer shared a heartfelt statement following the actor’s death on Sunday at 36.

"This is the big day," said Summerland Mayor Doug Holmes, with thousands of residents allowed to make their way home Tuesday to assess what damage the Bald Range fire has caused their community.

President Donald Trump on Tuesday said the U.S. has no planned talks with Iran, and none were scheduled, as Iran's top negotiator said the Strait of Hormuz will remain shut until the U.S. meets the conditions of ‌an interim deal inked in June.

U.S. President Donald Trump said on Tuesday no talks were taking place with Iran and none were scheduled, and he insisted the Strait of Hormuz was open, contradicting an ‌earlier Iranian assertion the critical waterway remained shut to shipping.

The Canadian Real Estate Association says home sales in July were down compared with a year ago, but edged slightly higher month over month.

Public libraries in Alberta have until the new year to comply with new restrictions around access to materials in their collection with a visual depiction of a sexual act, but with less than five months before the deadline, questions still remain over how the new regulations will be applied.

Public libraries in Alberta have until the new year to comply with new restrictions around access to materials in their collection with a visual depiction of a sexual act, but with less than five months before the deadline, questions still remain over how the new regulations will be applied.

A Russian missile attack killed 10 people on Tuesday in a village in Ukraine's northeastern Kharkiv region, Ukrainian authorities said.

As part of the referendum this fall, Albertans will be asked to vote on whether Alberta should have more control over immigration, something that's typically under federal jurisdiction. So CBC News took a look at what control the province has already.

A high school student carrying two pistols shot to death a fellow student before killing himself Tuesday in an attack in a southern Philippine high school campus that he livestreamed using a body-worn camera, police and other officials said. It was the second fatal school shooting in the country in just two months.

As Israeli airstrikes escalate in Southern Lebanon, emergency workers there are accusing the IDF of deliberately starting wildfires. We look at what’s happening on the ground.

A high-level cocaine trafficker, a nightclub owner working as a drug courier and a recently divorced father have pleaded guilty to various roles in a drug bust Winnipeg police once worried had been compromised by a corrupt officer.

Irreplaceable research samples have been destroyed, experiments delayed and lab access cut off after a four-day power outage at Western University in London, Ont., left biology researchers scrambling to protect years of work.

Prince Edward Island has decided not to participate in a federal measure that would allow rural employers to hire more low-wage temporary foreign workers.