Known as the ‘Door to Hell,’ this ... into a massive pit of natural gas. In an attempt to prevent a dangerous gas leak, scientists set it on fire, thinking it would burn out in a few weeks.

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The thousands of U.S. military personnel and private contractors whose health was compromised by the dense black smoke of burn pits — and who have been denied proper treatment — may finally be ...

The lawsuits are the first coordinated effort by plaintiffs to extract damages for the claimed health effects from the burn pits. The military has acknowledged the concerns but said its own test ...