Science

A Code Red Air Quality Alert will be in effect for Delaware Thursday, and Pennsylvania and New Jersey will be under a Code Orange.

Two New Jersey utilities have joined forces on a clean energy project to pump water from a reservoir to 84,000 homes and businesses.

They are increasingly targeting corporations, asset managers, and retirement funds with both moral suasion and financial muscle.

Horseshoe crabs are crucial to the watershed ecosystem. So conservationists want you to help them when they’re stuck on their backs.

Vulnerable populations in Delaware, including children, older people, and those with asthma, heart disease, and lung disease, are advised to avoid outdoor activities.

The non-profit will use a chatbot called Tessa that was designed by eating disorder experts, with funding from NEDA.

A new study says Earth has pushed past seven out of eight scientifically established safety limits and into “the danger zone."

NASA is holding its first public meeting on UFOs a year after launching a study into unexplained sightings.

Experts warn that Artificial intelligence models could soon be smarter and more powerful than us and we need to impose limits to ensure they don't take control over humans.

The annual red knot arrival is underway as federal regulators have unveiled a plan to protect nearly 700,000 acres in New Jersey, Delaware, and 11 other states.

Anglers say Bushkill Creek has a history of receding, leaving hundreds of fish to their death.

Humans have long been fascinated by the idea of communicating with other species — not just teaching animals to mimic human words, but ...

Environmental scientists are evaluating the potential costs of climate change in Philadelphia — and how to prepare.

Delaware officials pull off evacuation-type procedures every week during the tourism season.

The state House panel passed a bill Tuesday that would restore the Environmental Quality Board’s ability to raise bond prices on conventional well drillers.