Once dismissed by most public health experts and government officials, the hypothesis that COVID-19 leaked from a Chinese lab is now receiving scrutiny under a new U.S. investigation

The British government says three-quarters of the adult U.K. population has received at least one dose of a coronavirus vaccine

The world’s leading COVID-19 vaccines may offer lasting protection that diminishes the need for frequent booster shots

The U.K. has authorized for use another coronavirus vaccine amid growing concerns about a rise in new infections as the variant of the virus first identified in India spreads around the country

The inaugural harvest of genetically modified salmon began this week after the coronavirus pandemic delayed the sale of the first such altered animal cleared for human consumption in the United States

Facebook says it will no longer remove claims that Covid-19 is man-made or manufactured from its apps

People have unwittingly had their online posts or pictures exploited to spread misinformation about COVID-19 in recent months

A California condor egg has hatched in Northern California’s wild, the newest member of Pinnacles National Park’s recovery program for the endangered species

About 8% of Americans who have received one dose of either the Pfizer or Moderna COVID-19 vaccines have not returned for their second shot

A new European Union study finds that the two-decade old legislation on Genetically Modified Organisms should be revamped, a process environmentalists claim will open the door to a new generation of bioengineered crops being allowed onto the EU market without proper checks