Health & Science

It's a sibling of the first omicron variant that swept the world. Is it more contagious? Does it cause severe disease? Will it keep current omicron surges going? Researchers a

Canyon Atlantic Partners LLC is asking a Chester County judge to put a pause on Tower Health’s closure of Brandywine and Jennersville hospitals.

Officials said the funds will help address the critical need to boost a skilled labor force in Philadelphia as the life sciences industry grows.

The mandate is first taking effect first in jurisdictions that didn’t challenge the requirement in court.

A new study finds tiny leaks from loose fittings added up to more emissions than when stoves were in use. The impact amounts to the same effect as a half-million cars.

The company announced Wednesday that the first participant had received a dose. Earlier this week, competitor Pfizer began a similar study of its own reformulated shots.

COVID-19 numbers are down 75% from two weeks ago, suggesting the winter surge has peaked. But the pandemic is not over, officials warn.

Republicans' faith in science is falling as Democrats rely on it even more, with a trust gap in science and medicine widening substantially during the COVID-19 pandemic.

The roughly 7 million Americans who are immunocompromised — including many people with disabilities — live with a much higher risk of COVID, and near-constant vigilance.

Conservationists are concerned the plan would lead to overharvesting, and threaten the endangered red knot bird, which relies on horseshoe crab eggs for sustenance.

With the Children’s Hospital of Philadelphia’s Center City location often 90% full, the new hospital in Montco is expected to add capacity as demand for beds increases.

Some retailers are starting to get the first wave of the 400 million free masks being distributed by the federal government. Every person is allowed to receive up to three.

Cases, hospitalizations, and positivity rates have fallen precipitously over the last two weeks, but still are well above last January’s previous peak.

The Chester County Health Department has asked schools to stop contact tracing and to focus on checking students for symptoms, testing them, and sending them home.

Measurements at age 1 showed faster brain activity in key regions in infants whose families received $300-plus each month. That's compared to infants in families who got $20.