Science

Death’s come knocking a last time for the splendid ivory-billed woodpecker and 22 more birds, fish and other species: The U.S. government on Wednesday declared them extinct.

36 million people in the U.S. have migraines, which bring a host of other symptoms. Miles for Migraines is working to support those who suffer from them.

The agency proposed to address tainted soil, groundwater, and surface water at the East Whiteland Twp. site, plus affected drinking water supply.

Biologist Thor Hanson discusses his book 'Hurricane Lizards and Plastic Squid' about how the warming climate is forcing animals and plants to move, adapt or go extinct.

The National Inventors Hall of Fame has been around for nearly five decades but hasn't included any Black women in its ranks — until now.

As a materials scientist, Anna Ploszajski was trained t ...

The Wolf Administration says a new plan can help the commonwealth reach its greenhouse gas reduction goals by 2050 and help avoid the worst effects of climate change.

As people remained indoors, stopped commuting to work or hopping on passenger jets, the birds increasingly flew into urban areas they had previously shunned.

The plans would be one of the most ambitious and expensive flood control efforts any U.S. state has yet taken to address back bay flooding.

The invasive species known as the spotted lanternfly is spreading across Pennsylvania. 

More than 40 different projects in Pa., Del., N.J., and N.Y. will get a share of $11.5 million in new federal grants for work in the Delaware River Watershed.

The harvest moon is the last full moon of the summer. This year it will appear to be full for three days with peak illumination occurring at 7:54 p.m. ET Monday.

It’s one of the first questions we hear on detective shows after a heinous crime has occurred: “What’s the motive?” For hundreds ...

What's behind the decision of a quarter of Americans who haven't been vaccinated? And, with a shortage of ICU beds and ventilators in several states, who gets treated?

People are likely to be confused by common terms like "mitigation" and "carbon neutral," according to a recent study.