The source of the SARS-CoV-2 virus, which causes COVID-19, remains elusive. With "low confidence, "some federal agencies ...

Eventually, two hypotheses emerged: Either the virus crossed over from animals to humans in a wet market in Wuhan—the city in which the disease first appeared—or it leaked from a Chinese lab ...

Eventually, two hypotheses emerged: Either the virus crossed over from animals to humans in a wet market in Wuhan—the city in which the disease first appeared—or it leaked from a Chinese lab, likely ...

There are two prevailing theories about the origin of the new coronavirus: 'It originated from a coronavirus that mutated at a wet market in Wuhan' and 'It originated from a coronavirus that ...

The scientists suspect infected animals were first brought to the Wuhan market in late November 2019, which then triggered the pandemic. Michael Worobey, one of the new study’s authors ...

As the global population continues to rise, dense cities face mounting challenges in catering to the needs of billions of people living and working in urban areas. Architects have long explored ...