Stories by ProPublica

The practice is wasting billions of dollars a year, and patients and taxpayers are footing the bill

After being contacted by ProPublica, Facebook removed several anti-Semitic ad categories and promised to improve monitoring

Investigators tested internet security at four Trump properties. It’s not good

James Mattis’ unpublished testimony before a Senate panel recognizes a threat others in the administration reject or minimize

The second-year resident worries what will happen to his patients

The nation’s top science panel has just sketched a clearer way to set a fair price today for cutting tomorrow’s climate risks—and some of Trump’s advisers say the price should be zero 

Climate change will bring more frequent and fierce rainstorms to cities like Houston

In 2009, Congress asked for recommendations on what to do about information that falls outside the privacy law known as HIPAA. Health officials released their report, but offered no suggestions

Verizon is merging its cellphone tracking supercookie with AOL’s ad tracking network to match users’ online habits with their offline details

The National Security Agency's ability to capture Internet traffic on U.S. soil has been based on an extraordinary, decades-long partnership with a single company: AT&T

The latest in ProPublica's “Killing the Colorado” series looks at how, despite decades of accepted science, California and Arizona still miscount their water supplies

The problems are as much structural and systemic as they are natural

The latest in ProPublica’s “Killing the Colorado” series looks inside the power plant fueling America’s drought

ProPublica's “Killing the Colorado” series examines a 139-year-old water law that pushes ranchers to use as much water as they possibly can, even during a drought

The spy agency’s warrantless surveillance program on U.S. soil has been expanded to search for signs of hacking, according to the latest classified document leaks from former contractor Edward Snowden

ProPublica examines the wheeling and dealing that Pat Mulroy has orchestrated over nearly three decades to find more water for Las Vegas and use it to help the city keep expanding

ProPublica examination shows that the scarcity of water is as much a man-made crisis as a natural one

New rules governing how energy companies frack on federal lands represent a significant step toward protecting drinking water resources in some of the most heavily drilled parts of the country

The state hopes to save its rapidly disappearing coastline with a 50-year, $50 billion plan based on science that has never been tested

New data released today will promote transparency and help patients know when docs receive money from product makers

A football field–sized area of land is being washed away every hour, and lawsuits are being filed to hold oil and gas companies responsible for the destruction

Flash-bang devices are one of many military-style weapons being used in Ferguson, along with tear gas and beanbag munitions

An analysis by an environmental group finds hundreds of cases in which drillers used diesel fuel without obtaining permits and sometimes altered records

A Government Accountability Office report says environmental regulators are failing to adequately enforce rules for wells used to dispose of toxic waste from oil and gas drilling