Scientists link childhood lead exposure to adult mental health problems

Trying to measure fracking’s toll on human health

Lead in hunted meat poses health risk to families and food banks

Politics with Amy Walter: The Next President of the United States

Biden ahead in Georgia, Pennsylvania; Trump attacks process

Mothers in prison aren’t likely to see their families this Thanksgiving — or any other day

As Trump eyes more family detention, experts say it puts kids at risk

This Ugandan rapper was ‘miseducated,’ Lauryn Hill-style

Forgotten and crumbling, a PA steel town turned to Trump. Two years later, it’s a mixed bag.

The global tear gas business is booming. It’s complicated.

How 16 Americans found family, faith and their immigrant roots — generations after their parents left their homelands

This Philadelphia museum hired Iraqi and Syrian refugees as tour guides for its Middle East gallery

Former top Vatican official calls for resignation of pope over abuse crisis

A new chapter, with the same old words, in the Catholic child abuse scandal

Fracking is on the rise in Pennsylvania. So are radon levels. Are the two connected?

A Pennsylvania steel town reinvents itself with a future beyond steel

Drilling rigs used in fracking found along nature trail irk some hikers

Despite losing its state child care license — and years of claims of abuses — an immigrant family detention center in Pennsylvania made room for more families

Philadelphia ice cream is a luxury in China … with a scoop of import tax

Can an algorithm keep kids safe?

Maize Maze

Lee Bontecou

More details but no answers in brain trauma cases of US diplomats in Cuba

Drawn Out: The Value of a Vote, From Pennsylvania to the Supreme Court

Despite dozens of recent flu deaths among US children, vaccination skeptics remain — and their numbers have grown

Police in Trump-supporting towns aid immigration officials in crackdown

Environmental lawyers seek legal rights for the natural world

Residents fled gun violence at a Pittsburgh public housing project. But refugees are still moving in.

Wild swings in the weather mean that some farm crops will flourish, while others struggle

High school is hard enough without having to deal with the loss of DACA

Residents sue US Steel over air pollution in Western Pennsylvania

Air pollution is as unhealthy as secondhand smoke, a new study says

Solar jobs now outnumber coal jobs in the US

The amazing star-nosed mole has a schnoz that has to be seen to be believed

Gift Ngoepe is the first African-born player to join baseball’s major league

Colleges create ‘safe zones’ on campus for undocumented students

A new government report is on hold because of errors — and now we know even less about immigration enforcement

Two US coal miners, two very different perspectives on the future of coal

The GOP Congress killed Obama’s Stream Protection Rule. Now what?

Coal country is pinning its hopes on Trump

Some persecuted writers get a new life in the US. But exile isn’t easy.

Making the plastics found everywhere in modern life comes with a cost: more pollution

This Pittsburgh restaurant offers takeout and a side of politics

Refugee-run grocery stores help bring healthy fare to a food desert in Pennyslvania

A migrant from El Salvador gets her chance in immigration court

Trump vows to take on Chinese steel, but he also buys it

Environmentalists to millennials: Donald Trump’s climate policies are dangerous

US politicians say they hate the TPP. But farmers love it.

As Cuban migration surges, a woman in Pittsburgh offers shelter to her compatriots

Natural gas companies are using hardball tactics to expand their network of pipelines

Those ‘flapping’ Solari boards at US train stations are leaving the terminal

After teen dies of mysterious head injuries, doctors asking questions about football

Compressor stations are a new flashpoint in the debate over natural gas extraction

Compressor stations are a new flashpoint in the debate over natural gas extraction

Solar power booming in the United States