With efforts underway to ban lead-based ammunition as a potential health and environmental hazard, scientists are reporting new evidence that a prime alternative material for bullets -- tungsten -- ...

The Army’s tungsten-based bullets were designed to be more eco-friendly, but research showing tungsten increases cancer risk pushed them to pull the plug. The problem, Danger Room points out, is that ...

Army officials at Camp Edwards believed they were being eco-friendly when they started using a "green bullet" that contains no lead — a move meant to prevent polluting an aquifer beneath the base. But ...

Every year, 200 million tungsten bullets are produced, each using an ounce of tungsten. That amounts to over 5500 tons or one-eighth of the current annual tungsten consumption across the globe. The US ...

LEAD IS DENSE and ductile, has a low melting point, and is inexpensive, making it long prized for molding into ammunition. But it's also toxic to birds and other animals that ingest bullets and bullet ...