A swine flu case in Spain with no pig exposure has raised questions about how the virus spread and triggered international health monitoring.

You’ve spotted another unexplained purple blotch on your thigh. Or maybe you’ve noticed your shins look like a connect-the-dots puzzle of bruises in various healing stages. If you’re constantly ...

Weirder than weird. Stranger than strange. Fiction has nothing on reality when the latter looks like the stuff shared on the r/hmmm subreddit. Reality wins the bizarreness department, hands down. To ...

A new Netflix docuseries that breaks down eight seemingly inexplicable tales of ghost hauntings, alien encounters and mysterious disappearances shot up Netflix's most-watched show chart last week, ...

Researchers have shown that placental examination resulted in the accurate pathologic determination of more than 90% of previously unexplained pregnancy losses, a discovery that they say may inform ...

Áine Clancy does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...