If nothing else, the recently released interagency report documents the vast amount of effort that has gone into unraveling the origin story for SARS-COV-2. There are four possible versions of this ...

Events such as the World Cup could have facilitated the spread, scientists say. — -- It’s not just humans who can travel rapidly across the world. Viruses and disease-spreading insects and ...

WASHINGTON (AP) — COVID-19’s origins remain hazy. Three years after the start of the pandemic, it’s still unclear whether the coronavirus that causes the disease leaked from a lab or spread to humans ...

The emergence of the omicron strain of COVID-19 is raising new questions about the still undetermined origin of the coronavirus outbreak and whether it leaked from a Chinese research laboratory in ...

A respected U.S. scientist researching the evolution of the COVID-19 virus has uncovered an intriguing mystery with potentially troubling implications: Some of the virus’ earliest genetic fingerprints ...

"The Walking Dead" is full of mysteries, and for most of the series's existence, the origin of the zombie virus was the biggest mystery of all. Rick Grimes (Andrew Lincoln) and all the other series ...

Alina Chan, a molecular biologist at the Broad Institute of MIT and Harvard, has become one of the leading exponents of the hypothesis that the virus causing the COVID-19 pandemic leaked from a ...