Health & Science

Deer have long gotten a bad rap as drivers of Lyme disease — but a new study, using more than 35 years of data, shows they aren’t the biggest culprit.

The plan aims to expand access to grants and rebates that help people install solar at home.

Health experts say there needs to be more attention on addressing predictable side effects of highly curable diseases like prostate cancer.

Tidal salt marshes across New Jersey are being drowned out by sea level rise.

Journalist Katinka Blackford Newman discusses the similarities between the Clancy trial and her own experience with psychosis.

A look back at our search for life on Mars — from the pre-telescope days to explorations of the Martian surface.

Public outcry over the Academy of Natural Science’s closure has led many to call for leadership changes. Here’s what we know.

In Philadelphia, city officials have plans to increase awareness and support services for residents who will be affected by the Medicaid changes.

The oldest institution of natural history in America will close its museum at the end of this month. Here is how the community is reacting.

FLASH radiation therapy delivers a high-velocity proton beam at tumor sites. The approach could be a faster, more accurate type of cancer treatment.

The first measles-related deaths in Pennsylvania in 35 years were announced last week by Governor Josh Shapiro but they have sparked controversy.

Jon Ronson on his new book The Castle,” fake reality shows, and a generation of men adrift.

The 300-megawatt AI data center is being developed by DataOne for the Nebius Group.

Why we seek out the wilderness — and what “wilderness” really means in a world defined by human intervention.

Union Community Care’s school-based community health center would be the first of its kind in Chester County.