Chemicals

A study based on the medical records of more than 45,000 women found a positive correlation between permanent hair dye and breast cancer—particularly among those who are black.

Although polychlorinated biphenyls are now banned, they continue to harm animals' health.

The search is on for a homeless Missouri "millionaire" with a penchant for drinking turpentine, after a family friend made a "promise" to the man's mother.

Svetlana Radionova, chief of Russia's environmental watchdog, sounded the alarm over a dilapidated chemical factory in Siberia.

The death toll is expected to rise as emergency workers clear the destroyed buildings.

At least 25 babies have been born with stunted or missing arms in three separate French regions since 2000.

Around 50 children showed symptoms such as nausea and vomiting after reporting a strong smell of rotten eggs in the playground.

The findings could have implications for how planets form and the search for Earth-like worlds.

When tested on a typical backpack the accuracy rate of finding some suspicious objects tops 95 percent, researchers said.

Coral reefs need all the protection they can get, but will coral reefs ever be safe in the face of rapid climate change?

The study showed that the EPA's advisory level of 70 parts per trillion is seven to 10 times higher than what is safe for human exposure.

The Environmental Protection Agency will not evaluate the health risks of asbestos already in the environment when evaluating the dangers associated with it, Scott Pruitt announced quietly last week.

The findings are the product of three decades of research.

The scientists argue that the substance should be removed entirely from the scientific literature.

The chemicals were detected below the EPA advisory level of 70 parts per trillion.

Teens smoking e-cigarettes, or vaping, were found to have ingested far more cancer-causing chemicals than people who reported smoking traditional tobacco cigarettes.

The agency is gutting research focused on such products.

This is the first of two parts of a major study evaluating the potential health effects of BPA. The final conclusions won't be available until 2019.

"You can choose to go organic, you can become a vegan, but according to this particular study, you couldn't choose to be free of BPA in your diet."

(Methane + carbon dioxide) - carbon monoxide = aliens?

Chlorine levels specifically have been declining since at least 2005.

At least nine products have been pulled from the company's stores.

The law lets a substance be called chocolate even when it contains minimal amounts. So what else is in there?

There's a hole in the most successful international climate agreement ever.

A 1.5 mile zone around the plant has been evacuated.

Lead and carcinogens have been found in drinking water in several cities. A new tool can help you find out if one of those cities is yours.

The discovery is in contravention of Syria's promise to hand over its entire chemical stockpile for destruction.

Household dust contains numerous chemicals that may be harmful, depending on your exposure.

Studies show that these highly fluorinated compounds could make the immune system sluggish and may raise the risk of cancer.

Syrian state news agency claims militant group used mustard gas on troops at eastern airbase.