Advances in supercomputing have made solving a long‐standing astronomical conundrum possible: How can we explain the changes in the chemical composition at the surface of red giant stars as they ...

Ammonia is an essential chemical used across many industries worldwide. Beyond its traditional role as a fertilizer, it is also a promising liquid hydrogen carrier and low-carbon fuel that could help ...

Kristi Noem, the homeland security secretary, said officers had not used pepper spray and similar measures limited by a judge’s order, then was confronted with a video that showed chemical agents ...

For the fourth time, President Donald J. Trump has proposed eliminating the Chemical Safety and Hazard Investigation Board (CSB), an independent body that investigates the causes of significant ...

An international team of 43 scientists has called for a “paradigm shift” in toxicology and chemical regulation globally after having found severe lapses in current regulatory systems for evaluating ...

Editor’s note: This story has been updated with comments from the EPA and additional context. (NewsNation) — The EPA is disputing claims 10 newly approved pesticide products contain a PFA ...

There are various types of body composition tests (more on these below). Still, each one measures the percentages of fat and fat-free mass (muscle and bone) in the body. Knowing these percentages can ...

An RFE/RL investigation details Russia's manufacture and use of banned chemical weapons in Ukraine. A Western-sanctioned Russian institute is making the toxic gas grenades for the war against Ukraine.

For more than two decades, lone actors with weapons of mass destruction ambitions have relied on crude toxins like ricin and amatoxins because plants like castor beans and mushrooms that contain these ...

Python-based and open source data reduction tool for the major, minor and trace element analysis of minerals as well as of fluid and melt inclusions.

1. The United States relies on a strong chemical manufacturing sector to support industries like energy, national defense, agriculture, and health care. These facilities produce essential inputs for ...

Dutch and German intelligence services believe Russia is intensifying its use of chemical weapons in Ukraine, including the routine deployment of the chemical agent chloropicrin, which can be deadly ...