Science

Biden's climate plans call for spending big on energy efficiency. New research could help make sure it actually targets the poor and minority households that most need it.

Amazon billionaire Jeff Bezos is going into space on July 20 on a reusable rocket made by his space exploration company, Blue Origin.

Plastic gets a bad rap — over the years, it’s become synonymous with environmental destruction, cheap fakery, needless consumption, a ...

The company behind the controversial Keystone XL oil pipeline said Wednesday it's officially terminating the project.

Are we alone? Have alien spacecraft been buzzing across Earth's skies?

The decision comes after more than a year of hearings and increasingly heated debate on whether the community should host such a project.

A public information session sought by the community laid out the details, and clarified who is responsible for cleanup of the contamination.

Saturday marks the 40th anniversary of the first report that brought AIDS to the attention of the public.

Artificial intelligence has seen huge advances in the last decade, very notably in the technology of natural language processing. NLP has ...

Intelligent machines will play a much larger role in the future than they do now, and we’re trying to imagine that future as we’re ra ...

Pennsylvania has started spraying insecticide on spotted lanternflies, a new strategy that state officials are using in an attempt to slow the spread of the invasive pest.

Until recently, plants from only one U.S. facility were approved for use in research. Adding new suppliers will accelerate understanding of cannabis' health effects.

Construction split the Glen Riddle Station apartments in half. Residents complained about noise, dust, and truck traffic. Then there was no water.

In a lot of ways, artificial intelligence acts as our personal butlers — it filters our email, manages the temperature in our homes, fi ...

The city-owned gas utility has discussed with industry groups a Pa. Senate bill that would prevent Philly from taking steps to promote electrification.