Millions of viewers are logging on to Twitch to watch stars like Ninja play Fortnite and other video games.
Scientists are working to understand what mutations of the virus mean for inoculation strategies.
Research on the virus's response to colder temperatures reveals the world may face a bigger fight this winter than expected.
As researchers accelerated the first trials of Covid-19 vaccines for humans, a group of scientists worked to inoculate a far more fragile species.
As vaccines get deployed, Uber is looking to position itself ahead of the curve.
Some of the new Covid-19 vaccine candidates use a new kind of platform—but they've been a long time coming.