Science

The solar storm that pushed the Northern Lights farther south than normal is expected to continue Sunday night and possibly into the week, but the impact won't be as strong.

A pipeline that would move natural gas through the state and to N.Y. has been killed. But another plan to transport liquefied gas from Pa. by tanker truck is moving forward.

The school's rain gardens have proven effective at helping prevent raw sewage from overflowing into waterways.

The epicenter was near Whitehouse Station, New Jersey — about 60 miles from Philadelphia.

A month after the Adams Solar Farm went online, Philly is seeking more renewable electricity to power the rest of its municipal buildings.

The schools earned $100,000 grand prizes for their innovations.

The state Board of Public Utilities on Tuesday opened a fourth round of solicitations for offshore wind farms, giving interested companies until July 10 to submit proposals.

To help solve the climate crisis, $750 million could flow to the Philadelphia region to create a hydrogen economy. But some say it’s a deceit to help the fossil fuel industry.

It’s getting wild. We talk about urban wildlife – from encounters with coyotes to bats who need our help

Tiger Transit’s shift to all-electric is expected to save about 500 metric tons of carbon emissions a year.

The solar projects will lower energy bills for overburdened residents of the Philadelphia region, federal officials say.

Pennovation’s Ghost Robotics has embraced the weaponization of its robots.

The American Ornithological Society will remove people’s names from birds. Many of those birds are now named after prominent Philadelphia scientists.

Plant-based meat made a big splash when it first launched, but now sales have fallen, and two leading companies laid off workers. And yet some restaurants continue to grow.

Only about five percent of plastics produced annually are recycled in the U.S. So how much plastic is five percent? And will recycling that amount make a difference?