The cottonmouth had likely been looking for a dark spot to digest its big meal.

It's the second major victory this year for Definium Therapeutics and its proprietary version of LSD.

In a new study, researchers found that 85% of tested products contained at least one undisclosed, potentially hazardous chemical.

Trump's latest executive order threatens to further unravel our progress against resurgent diseases like measles.

Candida auris is an urgent public health threat, and it's only growing more dangerous over time.

As the New World screwworm has resurged in North America, it's infesting both livestock and people, a new report shows.

Officials are investigating whether a rabies outbreak is affecting the local beaver population.

Two major Mexican-style chain restaurants have been implicated, though both have since removed the linked pepper products from their stores.