Suki Tipp was diagnosed with indolent systemic mastocytosis, a rare blood disorder that triggers unpredictable and ...

Rare, deadly, and often missed, some skin cancers develop in areas that rarely see the sun. Scientists are still learning about them, but here's what we know.

A bite that carries more than just discomfort—a reminder of nature's unpredictable risks. There is no vaccine for ...

Since the emergence of the Zika virus epidemic in 2014 and the associated novel sequalae that emerged, much has been learned about the effects of antenatal exposure to Zika virus. Zika virus in ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...