The American Medical Association's decision to label obesity as a disease is raising hopes that more services will be covered by insurance.
The world's first successful oil well was drilled near Titusville, the birth of the oil industry.
The prevalence of dangerous strains of the human papillomavirus has dropped by half among teenage girls in the last decade.
The laboratory of Vera Gorbunova and Andrei Seluanov, a husband-and-wife team of biologists at the University of Rochester, has the feel of
WASHINGTON -- President Obama is preparing a major policy push on climate change, including, for the first time, limits on greenhouse gas em
Some worry that the plan could confuse some older people with diabetes.
The eight recruits, including a New Castle native, were selected from 6,300 applicants and will start training in August.
A dim, lightweight galaxy on the outskirts of the Milky Way may be the smallest in the known universe, astronomers say.
Two years ago, Angela Irizarry of Lewisburg, Pa., needed a crucial blood vessel. Researchers built her one in a laboratory.
CMU and the SETI Institute will send it to Chile's Atacama Desert to find subsurface life before launching it to Mars in 2020.
TO THE EDITOR:
TO THE EDITOR:
What astronomers call a perigee full moon will occur Sunday at 7:32 a.m.
More than 50 years ago, Jane Goodall, then a young researcher at what would become the Gombe National Park in Tanzania, began introducing th
A famous scientist returned home to dedicate the $39 million Sis and Herman Dupre Science Pavilion at Saint Francis College.
"The court's decision today represents a fairly straightforward application of their 'product of nature' doctrine," said a senior attorney.
Sarah Murnaghan, 10, survived six hours of surgery after a suitable match was found the night before.
Britain to start regulating e-cigarettes as medicine in 2016.
This small brown amphibian usually lives in Puerto Rico, but some can be found at the Carnegie Science Center.
The plan represents the latest in a series of steps taken to better safeguard the animals, one of man's closest genetic cousin.
This month is the height of nesting for birds, in the wild and at the National Aviary.
The Department of Energy created the measurement to allow consumers to understand the cost of an electricity vs. regular gas.
The International Energy Agency says the world is set to veer into a higher temperature zone that would profoundly damage life.
The Organ Procurement and Transplantation Network voted to temporarily improve children's access to adolescent and adult donor lungs.
Periodical cicadas -- the 1 1/2-inch-long slow-flying insects with dark bodies and red eyes -- appear only once in 13 or 17 years.
This week a thin crescent moon will be in the west-northwestern sky with bright Venus and fainter Mercury.
A paleontologist, who happens to be a Doors fan, named a fossil of a giant lizard after the singer.
The judge's order does not guarantee either child a transplant, or placement atop the adult waiting list.
Looking for answers to brain-related injuries in football, a new study promotes ideas that differ from many others in the medical community.
An international team of researchers say the fossil Chinese paleontologist Xijun Ni discovered is the oldest primate fossil skeleton.
Scientist Jay Kolls tried to add Karen Norris as co-inventor on vaccine patent after he was found guilty of misconduct by supervisors.
Her life was built around family, students and science.
The drug is approved for treating those tumors that have recurred for people who already tried chemotherapy or radiation.
This low-tech visual exam cut the cervical cancer death rate by 31 percent, doctors reported at a conference in Chicago.
Experienced stargazers recommend that you follow the guideposts in the sky when trying to locate constellations and planets.
It is the first offshore wind installation in U.S. waters, according to the Energy Department, which helped pay for it.
Baking soda and vinegar are two staples of house cleaning.
Private policy holders could get cancellation notices; smokers could encounter unaffordable premiums.
When defects are discovered, confidentiality agreements often keep the manufacturer's identity secret.
Entomologists are unlocking the mysteries of their behaviors, DNA and even scent.
Dazzling Jupiter and Venus create a stunning site in the sky, with the fainter Mercury joining the celestial duo.
Professor Karen Norris accused him of using work done by doctoral student Heather Kling and not complying with 2011 sanctions.
Jay Kolls' ties to the University of Pittsburgh date back to 2003.
A University of Pittsburgh professor designed the clinical trials to test dupilumab's effect.
Gardeners are filling their beds with perennials, which bloom year after year, and annuals, which need to be planted each year.
A National Academy of Sciences committee will review risks of "unconventional" shale gas drilling operations and hydraulic fracturing.
Unlike falcons, eagles and other hawks, this bird of prey is a team player, joining with others in cooperative hunting.
Diagnostic and Statistical Manual of Mental Disorders 5 Pennsylvania controversy over its new characterization of some disorders.
A trial for a new treatment for coronary artery disease, a leading cause of death in the U.S., will include Pittsburgh doctors and patients.
Later this week, Jupiter will join Venus and Mercury in a tight triangle 35 minutes after sunset.
The proposed regulations will require workers in all subsidized child-care centers and homes to be trained in first-aid and safety.
AccuWeather.com is calling for fewer storms in all, but four storms could become major hurricanes, compared with one in 2012.
The Kepler Space Telescope, which to date has cost $600 million to build and operate, has lost the ability to point accurately.
NASA is inviting people to submit their names for a DVD to be carried aboard a new Martian orbiter.
The digital devices formerly carried in pocket or purse are becoming a part of personal style.
Can doctors expect a stampede of women into their offices demanding the same procedure? Yes and no.
The National Transportation Safety Board wants states to lower the standard for drunk driving blood alcohol level from .08 to .05.
Mike Webster's family says his problems paved the way for understanding chronic traumatic encephalopathy.
CTE is at the heart of lawsuits against the NFL
His discoveries about the internal workings of cells shed light on genetic disorders like Tay-Sachs disease.
Spring is the easiest time of the year to locate the Big Dipper in the sky, which serves as a guidepost to finding the North Star.
Southwestern Pennsylvania gives early learners ample opportunity to learn about bugs this time of year.
A medical ethicist says organ transplant information could be shared in the case of the apparent cyanide-induced death of Autumn Klein.
The University of Pittsburgh and Children's Hospital of Pittsburgh study finds the possible cause, treatment for necrotizing enterocolitis.
A silly phone game, Polly, provides a new information dissemination pattern for illiterate people in developing countries.
In guidelines issued Friday, the American Urological Association recommends against routine PSA testing for men before age 40 or after age 7
A spindly solar-powered aircraft took to the sky Friday from near San Francisco on a pioneering flight across the country.
Aluminum is the most abundant metal in Earth's crust but doesn't naturally occur as an element and at one time was expensive to extract.
These neotropical birds fly from the Caribbean, Central America and South America to eastern North American forests to breed.
A Georgia Tech group described a robot arm that was able to reach into a cluttered environment and use "touch."
Jupiter, our bright "evening star" since December, sits opposite the sky from Saturn, the other largest planet in the solar system this week
Evolution is not being taught robustly, if at all, in public school biology classes nationwide. Some teachers believe in creationism.
New research shows that babies display glimmers of consciousness and memory as early as 5 months old.
Researchers have hit upon a way to halt cancer's spread: delivering radiation directly to the cells using genetically modified bacteria.
A new study by researchers at Pitt's School of Medicine may hold promise for the understanding and treatment of ALS.
The submarine was one of the first vehicles to travel using hybrid technology in the early 20th century.
His oral vaccine preceded Jonas Salk's injected variety but was never approved for use in the United States.
About every 13 months, the sun, Earth and Saturn line up in a straight line with Earth in the middle.
A recent study predicts that global warming will cause bumpier transatlantic flights by the middle of this century.
A solar-powered airplane is ready for a cross-country tour.
The state's Department of Correction says it will use the seizure drug phenobartial, which has never been used in a U.S. execution.
The NASA-led Kepler mission has discovered potentially habitable planets outside the solar system, with Beaver Falls native Justin R. Crepp
The Kepler mission has found potentially habitable distant worlds with the right size and proximity to their star for life to exist.
These sea-dwelling fish are carnivores and experts at camouflage, and the male is the one who gives birth.
Red-tailed hawks are striking birds with broad wings and short tails, a combination that allows them to soar for hours at a time.
Several Supreme Court justices are skeptical about oral arguments on whether the human gene may be patented.
Look for the dominant constellation of spring high in the southern sky after sunset.
Among the hazards humans face while living and working in space are the effects of prolonged weightless on bones.
Stanford team transforms tissue to observe the circuitry that makes the brain function.
By Saturday night, the crescent moon will sit between the Pleiades and Aldebaran, Taurus' brightest star.
Visitors to the Carnegie Science Center can learn about cheese and cheese making in a new program in the Kitchen Theater.
Dark matter is mass that scientists cannot detect directly, but whose existence is inferred through its gravitational pull on visible matter
Three nesting pairs of bald eagles have taken up residence in Allegheny County -- in one eyrie on each of the region's three rivers.
A Pitt professor who won a medal in the Paralympics now holds five patents for wheelchair applications.
The three resident elephants at the National Zoo in Washington, D.C., now have a new place to hang out.
This month, as Jupiter slowly sinks to the western horizon, a second planet has joined the celestial evening show in the eastern sky.
Researchers have found that older people with fewer human contacts are more likely to die -- even if they're happy in their solitude.
In December, NASA unveiled its Z-1 prototype spacesuit designed to deliver improved flexibility and protection to spacewalking.
Jim and Jamie Dutcher are photographers who have lived with a pack of wolves, getting to know the animals intimately.