Dense jungle was the battlefield—and chemicals became the weapon. Agent Orange cleared the trees but left scars that never healed.

Several close U.S. allies urged a return to the negotiating table following American strikes on Iran that fueled fears of a ...

Follow NBC News after Trump announced the U.S. has struck three nuclear facilities in Iran, joining the conflict that began ...

Geopolitical tensions in the Middle East have turned chemical stocks into a standout sector in the stock market, but not all ...

As President Richard Nixon addressed a tense nation on live television, his grave demeanor hinted at a pivotal moment, and ...