Science

Ryan Zinke, President Trump’s Interior Secretary, came to Western Pennsylvania to tout the federal government’s abandoned mine cleanup program. It was an appropriate setting.

What happens when a Buddhist environmentalist, a Muslim astronomer … a rabbi and a priest walk into our studio? On this episode, we exp ...

Never did I imagine a photo I took would be used by Russian trolls to try to manipulate the pipeline debate.

As Pennsylvania’s gas boom helps propel the United States away from coal-fired power, one energy researcher says the impact on climate change will be a wash.

The signal showed unexpectedly cold temperatures and an unusually pronounced wave.

Several environmental groups have asked the Commonwealth Court for an injunction to halt Sunoco/Energy Transfer Partners Mariner East 2 pipeline construction.

Investigators found hundreds on the sheep and collected nearly a thousand more from the one-acre paddock.

Guests: Michio Kaku Physicist and futurist MICHIO KAKU theorizes ...

NASA’s Mars Reconnaissance Orbiter has returned images that clearly show thick layers of water ice just beneath the surface and ext ...

Recent unseasonably warm weather has lured some frogs out of hibernation early. Herpetologists worry what that might mean for them — and other animals.

Federal regulators have effectively denied a request to reconsider their approval of the planned PennEast Pipeline, the agency’s critics say.

The red knots stop for nourishment along the Delaware Bay on their annual journey from Chile to the Arctic.

Sunoco said Thursday it aims to begin operating its Mariner East 2 pipeline across southern Pennsylvania by the end of the second quarter of this year.

Maybe you just want to see penguins or icebergs, but visiting the South Pole also means transforming the landscape — and adding to your carbon debt.

Communities along Canada’s western coast combine conservation and tourism to create jobs that line up with their cultural values.