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Nearly half of recently retired officers in a survey said they had “personal knowledge” of crime-report manipulation, but the Police Department questioned the study’s methodology.

A two-income American family with an average income that dutifully invests in a 401(k) plan using typical strategies will lose $155,000 – or about 30 percent of what they should have saved for retirement -- to Wall Street fees, according to a study by an economic justice advocacy organization.

The number of people who died of swine flu during the 2009 H1N1 pandemic may be about 15 times higher than originally calculated, according to a new study from researchers at the Centers for Disease Control and Prevention.

According to a study published by the National Renewable Energy Laboratory (NREL), up to 80% of the power needed by the whole country could be supplied by renewable energy sources by 2050.

Asian immigrants have pushed the United States’ population of Asian descent to a record 18.2 million and helped make Asians the country’s fastest-growing racial group, a study says.

A new university-led study with NASA participation finds ancient Antarctica was much warmer and wetter than previously suspected. The climate was suitable to support substantial vegetation -- including stunted trees -- along the edges of the frozen continent.

Finally, some good news for older dads. A new study hints that their children and even their grandchildren may get a health benefit because of their older age. It's based on research into something called telomeres - tips on the ends of chromosomes.

The findings are the first to link insufficient sleep to stroke; they're also the first to apply even to adults who keep off extra pounds and have no other risk factors for stroke, says Megan Ruiter, lead author of the report. It will be presented Monday at the 26th annual meeting of the Associated Professional Sleep Societies in Boston.

An "early and aggressive" approach to people on the cusp of developing Type 2 diabetes is needed to reduce cases of the disease, a study suggests.

Medical marijuana dispensaries would seem to be natural targets for criminals... The models the researchers came up with confirmed that factors such as unemployment, commercial zoning and a high proportion of young adults were indeed associated with higher crime rates. But the number of marijuana clinics in a neighborhood had nothing to do with any of it, they found.