Biology

New cases of avian influenza haven’t been detected in Pa. for more than a month, but that doesn’t mean the threat to poultry and wild birds has passed.

The 180-foot-long Texas Star is the latest addition to a massive artificial reef system, joining hundreds of New York City subway cars and a Navy destroyer.

Not seen on the Delmarva peninsula in 27 years, the endangered Hessel’s Hairstreak butterfly reveals itself in a Delaware swamp.

Scientists say a fisherman caught a giant stingray that measured almost 13 feet from snout to tail in the Mekong River.

A New Jersey company says its test can screen embryos for a variety of diseases and health conditions, like heart disease, diabetes, or breast cancer.

Author Jude Stewart on smell, the least understood of our five senses. And, what we know so far about Covid-19 and loss of scent...some people aren't bouncing back.

Around the world, at dawn, something magical happens. As the sun rises, nature seems to wake up, and different species break into a choru ...

The decline in new specimens is especially noticeable in the study of mammals. One journal article called it a “perfect storm” for the field.

Writer Caleb Johnson visited E.O. Wilson in February of 2020, where he spoke to the late scientist about his views on biodiversity, conservation — and the end of life. 

Backyard chicken owners in Pennsylvania are taking extra precautions to protect their birds, which they see as pets, from getting infected from the deadly avian flu.

Some farmers are wondering if it's OK that eggs sold as free-range come from chickens being kept inside.

Users report that psilocybin restored their sense of smell. We ask scientists what could explain this seemingly healing effect.

Climate change is causing fish species to travel in search of suitable temperatures, and it’s impacting the marine food web, a Rutgers study finds.

When Jake Odmark was diagnosed with Crohn's disease, his career took a back seat. But accepting the diagnosis led to a more stable future.

A TikTok trend that claims to test if you’re really in love may have some real science behind it.