The COVID-19 testing system has been overwhelmed by the Omicron variant, making it impossible to know how many people are infected.Monitoring for the novel coronavirus in wastewater could help fill the gap, says Rob Delatolla, a professor of civil engineering at the...

The virus that causes COVID-19 has for the first time been found in wildlife in Canada.SARS-CoV-2 was found in three white-tailed deer after samples were taken between Nov. 6 and Nov. 8 in the Eastern Townships region in Quebec, Environment and Climate Change Canada said...

Our planet is changing. So is our journalism. This story is part of a CBC News initiative entitled Our Changing Planet to show and explain the effects of climate change and what is being done about it. If you're struggling to breathe...

Our planet is changing. So is our journalism. This story is part of a CBC News initiative entitled Our Changing Planet to show and explain the effects of climate change and what is being done about it. Curbing climate change and improving...

Scientists at New York University temporarily attached a pig's kidney to a human body and watched it begin to work, a small step in the decades-long quest to one day use animal organs for life-saving transplants.Pigs have been the most...