As COVID-19 vaccines roll out, doctors say it's long past time to address the exclusion of pregnant women from research on drugs and vaccines. They say better study design is the answer.
As states suddenly expand the categories of people eligible for the first scarce shipments of vaccine, who will be watching to make sure those hit hardest by the pandemic aren't left behind?
It takes time after vaccination for immunity to the virus to build up, and no vaccine is 100% effective. Plus, scientists don't yet know if the vaccine stops viral spread. Here's what's known so far.
CNN's chief medical correspondent says it's never too late to develop new brain pathways. Even small changes, like switching up the hand you use to hold your fork, can help optimize brain health.
Boston Children's Hospital saw a precipitous drop in cases during the spring shutdown, and the trend continues. Researchers are asking why — and what it would take to keep up the change post-pandemic.
Before scientists were even sure black holes existed, an Indian astrophysicist did the math behind Einstein's predictions of what would happen if two black holes collided.
The emergence of COVID-19 started scientists on a yearlong crash course to learn how the coronavirus might travel through the air and how to stop it. They learned a lot, and quickly.
Ice is usually ephemeral; it doesn't last that long before melting. But some ice on our planet has stayed frozen for millions of years, according to scientists on a quest to find the oldest ice.
Researchers discovered that an octopus might punch a fish when both are hunting. Although some of the thrown punches can be explained, others remain a mystery.
As the first COVID-19 vaccines begin to be rolled out across the U.S., community leaders in diverse groups already are working hard to dispel misinformation and reach skeptics with truth.
Science writer Robin Marantz Henig has written about dangerous emerging pathogens for 30 years. But none of what she learned could shed light on her own confusing encounter with this virus.
Atlantic writer Ed Yong says the COVID-19 vaccination program will be the most complicated the U.S. has ever attempted: "It's going to be a slow process, and there are a lot of possible roadblocks."
