Science

Drenching rain could bring flooding from the coasts as Tropical Storm Isaias moves into the Lehigh Valley region.

Worried about water quality in your stream? Plant a tree next to it, the DCNR says. Stream buffers reduce soil erosion and filter chemical runoff.

Forecasters with the National Weather Service said the biggest concern for the Philadelphia region is heavy rain that could lead to flooding on Tuesday.

It was the first splashdown by U.S. astronauts in 45 years, with the first commercially built and operated spacecraft to carry people to and from orbit.

More than 200 current and potential Superfund sites in Pennsylvania and New Jersey are at risk of flooding in the next 20 years due to sea-level rise.

NASA’s Perseverance rode a mighty Atlas V rocket into a clear morning sky in the world’s third and final Mars launch of the summer.

Shallow private wells near Shore are under special threat as seas rise.

Summertime brings the “nymph” phase of the invasive insect, a prelude to mature bugs this fall.

We talk to science writer Jennifer Ackerman about her new book, "The Bird Way" and with an organizer of Black Birder week.

Technology isn’t just changing our world — it’s changing the words we use to describe it. Language is evolving at breakneck speed, ...

Definitely maybe, research suggests. What doesn’t help: conjugation, and odd bits of practice conversation no one ever uses.

Residents are asking the Public Utility Commission to shut down construction.

Atlantic City and Cape May are among the coastal communities most exposed.

Humans have a close relationship with trees. We plant and cultivate them for food and shelter. Trees offer protection from the rays of th ...

Several beaches in Delaware had been temporarily closed because of the storm.