Four hours. That's how long it took for a glamorous tennis player to become the talk of the Net, for countless companies to shut down their e-mail gateways, and for a new virus to spread across the ...

A woman’s selfies helped her monitor the movements of an unwelcome guest: a roving parasitic worm living in her face. Thankfully, doctors were able to get the pesky pest—which she likely caught ...

The man was infected with a type of roundworm called Strongyloides stercoralis. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.