Science

Twenty-five years ago, Onel de Guzman tricked millions of people and cost the world economy billions by unleashing a computer worm disguised as a love letter.

The U.S. transportation secretary said the update prevented a third radar outage over the last two weeks at the New Jersey airport. But flight delays continued Monday evening.

For the second time in two weeks, the radar at the facility in Philadelphia that directs planes in and out of Newark Liberty International Airport went black.

The data could be clouded by impacts of the COVID-19 pandemic, such as an increase in remote work.

The U.S. dropped millions of tons of bombs on Southeast Asia during the Vietnam War. Some remain, and could still explode.

Coal-fired power plants, long a money-losing proposition in the U.S., are becoming more valuable now.

Delaware students rethink consumer habits at sustainable clothing swap aimed at tackling climate footprint.

Researchers at Saint Joseph’s University are collaborating with Bancroft, a New Jersey nonprofit, to pilot AI technology with people in assisted living communities.

Users of all ages turn to the platform to master new skills, solve problems, and learn on their own terms.

Local climate activists rallied against Philadelphia Gas Works’ financial support to an industry group lobbying against clean energy.

Millions of tons of fabric waste are sent to incinerators or landfills every year, where they can release climate-warming greenhouse gases.

From adapting gardens and slowing down fast fashion to clean alternatives to natural gas, WHYY News profiles some innovative climate solutions in the Philly region.

Here’s how to celebrate Earth Day in the Philadelphia region, from litter cleanups to seed planting and other events.

Black Girls With Green Thumbs takes climate lessons into schools. At Emlen Elementary, children with autism learn “earth-to-table” food production.

Gene sequencing lets us screen embryos for diseases and traits. Is this the right track for healthy and happy babies, or a slippery slope to eugenics?