Science

Big bodies are good for cold places.

That's the gist of a foundational rule in ecology that has been around since the mid-1800s.

Parts of the Delaware still suffer from low oxygen levels, according to a Univ. of Delaware prof who recently wrote a book on the topic.

Marine biologist Helen Scales on the deep ocean and its strange and wondrous inhabitants and the threat climate change, pollution and deep sea-mining pose.

Some of the most dangerous pollutants are the metals used to create those brilliant colors. Smoke and particulate matter can aggravate asthma, COPD.

Drillers in Pennsylvania produced the highest volume of natural gas on record for a single year in 2020, despite the economic downturn fueled by the COVID-19 pandemic.

Environmental groups are pressuring a York County food processor to fix problems at its wastewater treatment plant.

For thousands of years, humans have obsessed over Mars from afar. At first, maybe it was the fact that Mars stands out in the night sky b ...

NASA's rovers are labs on wheels, doing work on Mars, while being directed by scientists and engineers here on earth. How do they repair rovers from millions of miles away?

If or when humans get to the red planet, one of the next big questions is: What will they eat there? Would it even be possible to have a healthy or tasty diet?

The project is expected to triple the electricity coming in from the coastline.

Environmentalists from Brownsville to Washington D.C. are protesting Elon Musk's ambitious vision to build, test and launch next-generation rockets in this fragile ecosystem.

This could have been the day that finally answered the burning question: Are there aliens out there? Sadly, we'll still have to wait.

A key piece of evidence behind the research is a new collection of bones and teeth from infant dinosaurs dating back to more than 70 million years ago.

About a dozen young Pennsylvanians are on their way to the White House to advocate for a climate and economic justice initiative.

Buildings are concentrated in places that are likely to be hit by a disaster such as a hurricane, flood or wildfire, researchers found. That includes urban and rural hotspots.