Modern mothers love to debate how long to breast-feed, a topic that stirs both guilt and pride. Now -- in a very preliminary finding -- the
Heinrich Rohrer, who shared the 1986 Nobel Prize in Physics for inventing a microscope that made it possible to see individual atoms and mov
Unlike falcons, eagles and other hawks, this bird of prey is a team player, joining with others in cooperative hunting.
It was a vision that never saw the light of day.
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.
How does the Chesapeake Bay spell relief? O-Y-S-T-E-R-S, a new study finds.
The Kepler Space Telescope is 40 million miles from Earth, which makes sending a repairman difficult. Unlike the Hubble telescope, which was
Later this week, Jupiter will join Venus and Mercury in a tight triangle 35 minutes after sunset.
Joseph Farman, a British researcher whose single-minded and at times officially derided study of atmospheric changes in the Antarctic establ
The proposed regulations will require workers in all subsidized child-care centers and homes to be trained in first-aid and safety.
A species of frog that was used from the 1930s to the 1950s in human pregnancy tests is a carrier of a deadly amphibian disease that is now
Imagine a wolf catching a Frisbee a dozen times in a row, or leading police officers to a stash of cocaine, or just sleeping peacefully next
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.
There's no good evidence that eating levels below 2,300 milligrams a day recommended for most people -- offers benefits.
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.
This time next week, perhaps the most famous symbol of Superstorm Sandy's devastation at the Jersey shore will be gone.
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.
Six bears were equipped with rugged video cameras attached to collars around their necks, giving biologists a look at how they spend time.
Some restaurant and grocers industries have backed legislation to limit the rules to only provide the data online in some cases.
Southwestern Pennsylvania gives early learners ample opportunity to learn about bugs this time of year.
A study makes clearer who does and does not benefit from taking supplements of omega-3 fatty acids, the good oils found in some fish.
A medical ethicist says organ transplant information could be shared in the case of the apparent cyanide-induced death of Autumn Klein.
A test to gauge the aggressiveness of prostate cancer may help men decide whether they need to treat it right away or can safely monitor it.
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.
Hannah Warren has been unable to breathe, eat, drink or swallow on her own since she was born in South Korea in 2010.
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.
The Food and Drug Administration is poised to extend its reach to a broader range of tobacco products.
What The Morning File doesn't understand about physics could fill up billions and billions of cosmoses.
Before the development of calendars and clocks, our ancestors relied on the cycles of the stars, sun and moon to tell the time of day.
The European Space Agency and National Aeronautics and Space Administration announced the universe is 100 million years older than thought.
If you have been watching the sunsets over the past few months, you will have noticed that they have been slowly moving north.
Springtime brings about more song and color for birds and bird lovers.
Ewen Mullins, a plant scientist deals daily with the potato blight, a pernicious rot caused by a fungus that still thrives in Ireland.
While you were out searching for Comet Pan-STARRS with your binoculars last week, the moon started a new cycle of phases.
The restaurateur is enjoying normalcy after brain surgery, performed using a general anesthetic, for Parkinson's disease.
Rewriting the proposal would significantly postpone any action and might allow the agency to set more permissive standards for power plants.
NASA recently celebrated the 50th anniversary of the Mariner 2 spacecraft.
The judge blocked implementation of city's restriction on the sale of large, sugary sodas a day before the law was to take effect.
Comet PanSTARRS, the first of two bright comets predicted to appear in our sky this year, has brightened dramatically.
After losing an hour of sleep Sunday by setting clocks forward, many in the workforce will drag through the day today and need a nap.
The two major divides are a generational and cultural split, according to the analysis, which looked at data from the November exit polls.
The comet has been visible from the Southern Hemisphere for the past few months and will appear soon over the Pittsburgh region.
The B612 Foundation is planning to build and operate a telescope that will be placed in the sun's orbit to track asteroids.
Government officials want to step up efforts to halt the spread of a drug-resistant "nightmare bacteria" that attacks the bloodstream.
The search for a universal flu vaccine continues as the 2012-13 flu season nears its end.
As the moon circles around Earth, it completes a full cycle of phases every 29.5 days.
Scholar Natalie Phillips, a Pittsburgh native, returns to describe her study examining the effect that reading Austen has on the brain.
The lengthy assessment did not give environmentalists the answer they had hoped for in the debate over the project's climate impact.
Current treatments concentrate on killing bad bacteria on the face but new research shows the need to balance treatment with good bacteria.
A year ago, all eyes were on what was supposed to be the rebirth of the nuclear industry after more than a generation without new plants.
Much of what we know about Mercury was discovered through flybys of the planet during the Mariner 10 space mission in the mid-1970s.
The Milky Way is often associated with the summer sky. However, the misty band of light is visible all year long.
Sponsored by the federal Department of Energy, the contest is now in its 22nd year.
Samuel Taylor, former Carnegie Museum of Natural History director, will direct the national Science & Engineering Ambassadors Program.
Venus is home to giant bugs, but they aren't exactly what they seem.