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At least four schools in the county -- North Hills, Pine-Richland, Gateway and Woodland Hills -- have planetariums.
University of Pennsylvania researchers snipped out a single gene in immune cells to make them partly resistant to infection with HIV.
At 2 a.m. Sunday, daylight saving time will go into effect, but it has opponents who decry the confusion and loss of sleep it causes.
A shot every one to three months may give an alternative someday to the daily pills that some people take now to cut their risk.
Consumption of high levels of the nutrient in middle age shortens life, but can extend it in older age, researchers find.
Middle-aged Japanese men have less than a third the rate of coronary artery calcification than their American counterparts.
Stop Animal Exploitation Now has filed a complaint against Pitt for violations of the federal Animal Welfare Act in Pitt research labs.
By Thursday evening, the 6-day-old waxing crescent will sit 5 degrees to the lower left of the Pleiades star cluster.
The process can obtain conclusive results more reliably than older DNA technology, and "the innocent will be excluded more quickly."
The additions include four planets about 2½ times as big as Earth the right distance from their parent stars for liquid surface water.
AN FDA panel began debating a new technique that combines DNA from three people to create embryos free of certain inherited diseases.
The Heinz Awards today honored five individuals who will share prize money totaling $1.25 million for the innovative work they are doing to
Richard E. Lenski will present Duquesne University's 2014 Darwin Day lecture at 7 p.m. Wednesday.
Early risers will have the chance to see an eye-catching pairing between Venus and the thin crescent moon Tuesday and Wednesday mornings.
Out of 58 high school teams, four claimed spots as regional science bowl finalists today, though only one will advance to nationals.
A new treatment for B-cell acute lymphoblastic leukemia put 14 of 16 end-stage patients into remission during a human clinical trial.
The science center has planned a $55 million renovation, but a fundraising study found a lack of financial support.
The Red Planet will halt its eastward motion and begin creeping westward through Virgo on March 1.
Polar vortex and frigid weather also are drawing gulls and other water birds to Pittsburgh this winter.
Biologists continue studying the marvel of crows roosting by the thousands, including three sites in the region.
New research raises questions for human babies, too.
While you're gazing at the brilliant stars of winter on these February evenings, take some time to search for the sky's hidden treasures.