The volcanic eruption on an island near Tonga in January was as powerful as the 1883 Krakatoa eruption in Indonesia, one of the deadliest and most destructive volcanic events on record.
This moment in time, like so many during the last two-plus years of the pandemic, is a confusing one for our country. Mixed signals make it hard to accurately gauge risk and act accordingly.
In a landmark first, scientists have grown plants in lunar soil using samples collected during the Apollo missions to the moon. This is the first time plants have been sprouted and grown on Earth in soil from another celestial body.
Even two years after their initial infection, the majority of people who were hospitalized with Covid-19 early in the pandemic had lingering symptoms, according to a new study that may be one of the longest and largest on record to follow people with long Covid.
At a psychiatric hospital in Michigan, Dr. Cara Poland's patients were handed a sheet of paper to find follow-up care. The hospital had entered local ZIP codes on a website — run by the nation's top substance use and mental health agency — and printed the resulting list of providers for patients to call.
Should trans children be supported in socially transitioning? Researchers tracked more than 300 children to see how consistent their transitions were. Either way, experts and those who have transitioned urged families to support their children.
Drug overdoses in the United States were deadlier than ever in 2021, according to provisional data from the US Centers for Disease Control and Prevention.
Since Covid-19 vaccines became widely available, there has been a wide gap in deaths between the vaccinated and unvaccinated. But recent Covid deaths are much more evenly split as highly transmissible variants take hold, vaccine protection wanes and booster uptake stagnates.
An unexpected discovery has revealed ancient artwork that was once part of an Iron Age complex beneath a house in southeastern Turkey. The unfinished work shows a procession of deities that depicts how different cultures came together.
June seems to dream of pursuit. After the long-haired German shepherd settles down for a nap, her floofy, low-slung limbs often begin to twitch and kick. To her owners, she appears to be on the trail of some unseen prey.
With waning immunity and a coronavirus that seems to become more infectious with each new variant, the Biden administration predicts that up to 100 million more people could get Covid-19 in the fall and winter. That estimate makes it crucial that as many people as possible get booster shots of Covid-19 vaccine, experts say. And if you're eligible, it's a good time to get a second booster.
Is there a sweeter time of year than strawberry season? May is officially National Strawberry Month, though strawberries will come into season throughout June for many regions of the United States.
The Centers for Disease Control and Prevention is investigating cases of unexplained hepatitis in children. What should parents know about these cases? How worried should they be, and what are the symptoms they should be looking out for?
Cases of Covid-19 are rising again. What should people know about new subvariants, especially as many gather for festivities such as Mother's Day and graduations? CNN Medical Analyst Dr. Leana Wen answers your questions.
The US Centers for Disease Control and Prevention said Friday that it's investigating 109 cases of severe and unexplained hepatitis in children in 25 states and territories that may be linked to a worldwide outbreak.