Prime Minister Justin Trudeau warned Friday his government could impose stricter restrictions on travelers at any moment in response to new, likely more contagious variants of the coronavirus—possibly...

Spending long periods of time in space can wreak havoc on space traveler health, including negative effects on metabolism, bone and muscle health, gastrointestinal health, immunity and mental health....

Canada is extending a ban on most travellers entering the country until the end of September in order to limit the spread of COVID-19, the government announced Friday. And Canadian citizens and permanent...

Researchers at Missouri S&T are developing an airborne-biohazard system that could help screeners spot air travelers with lung diseases due to coronavirus and other viruses. Professors in electrical...

On his return from China last week, Dr. Ian Lipkin quarantined himself in his basement. His wife now puts his food on the stairs. He’s run out of things to watch on Netflix. At odd hours, he walks...