Wildfires have brought record breaking bad air to the U.S. in recent years. But sometimes it’s difficult to measure just how bad the air is.

What Erica Gerard found wasn't relapse. It was withdrawal, and a version of herself she'd almost forgotten.

A lost Philadelphia observatory once used to track the transit of Venus may be the place where the Declaration of Independence was read publicly for the first time.

Pepper pot soup was known as a survival meal during the American Revolutionary War, but the stew's African and Caribbean roots are often overlooked.

Gallup polls show American support for nuclear energy has not been this high in more than a decade.

Neurogastroenterologist Trisha Pasricha says constipation woes on vacation happen to lots of people — but she says there are solutions.

As the icy snow covering sidewalks and roads melts, it might be a good time to break out rubber-soled booties for your pups.

Dry January has wrapped up, but before you head back to the bar or pour yourself a drink, take a moment to evaluate what was better about your life when you were not drinking.

How NASA’s 1975 mission to Mars led to decades of scientific controversy and confusion over the existence of life on Mars — and why that’s starting to change.

How a reporter began to investigate diabetes risk, and along the way, made a startling discovery about his own health.

Investigative reporter Susannah Cahalan set out to find eight pseudo patients who'd participated in the "Rosenhan Experiment."

Top signs from researchers that something was written by AI, and how to avoid sounding like a chatbot yourself.

In the 1970s, UCLA housed The Parapsychology Lab, which became a haven for those with psychic abilities and the researchers who studied them.

In Boyertown, PA, artist Charlee Heinz turns bones from forest finds into meaningful artwork that explores death and beauty.

The number of urgent care centers in the U.S. have doubled, from more than 7,000 to more than 14,000 over the last decade or so.