Canada and some of its closest allies have kicked off a three-week naval exercise in the Arctic that aims to send a message of unity against potential adversaries in the North without spreading COVID-19 to local communities.
Canada's top public health doctors warned Tuesday that vaccines in development for COVID-19 provide hope but will not mean an immediate end to the pandemic.
The deep valleys scarred into the surface of Mars under thick sheets of ice show that the planet once mirrored the Canadian High Arctic, says a new study.