Health & Science

We look at the legacy of the late psychologist Daniel Kahneman. The Princeton University Nobel Laureate changed our understanding of how we make decisions.

Here are some alternatives if you're clouded out during the eclipse or if you can't travel to the path.

Chester County, like much of Pennsylvania, will experience 90% totality during the solar eclipse on April 8.

The U.S. transplant system ordered hospitals to quit using a test that made Black patients' kidneys appear healthier than they really were.

The team will send weather balloons tens of thousands of meters into the atmosphere for experiments on gravity waves and the building blocks of the universe.

It will be another 21 years before the U.S. sees another total solar eclipse on this scale.

The moon's shadow will slice a diagonal line from the southwest to the northeast across North America, briefly plunging communities along the track into darkness.

When the April 8 solar eclipse draws eyes upward, having proper solar filters and solar eclipse glasses is essential to avoid potentially permanent eye damage, doctors say.

We look into the history of eclipses and what scientists are hoping to learn.

The pursuit of happiness is built into the American ethos. So why are always chasing but never finding it?

Fecal immunochemical tests, or FIT, are stool-based screenings that can be used at home to detect early signs of colorectal cancer.

CHOP officials say failed contract negotiations with two Medicaid health insurance plans could disrupt coverage for “thousands” in the region.

Many studies have identified public health benefits associated with syringe-exchange services.

We talk with a doctor who discovered a cure for rare diseases with the help of artificial intelligence.

COVID-19 enhancements also disappear later this year for workers and retirees.