As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

Its design pulls in oxygen from the surrounding air when it explodes, giving it a stronger blast wave than conventional weapons that carry an oxygen mixture in their explosive payloads.

Authorities seized 39 pieces of evidence, including ammonium nitrate explosives and various mining equipment from the Khao Phanom Pha site. All suspects were taken to Wang Sai Phun Police Station ...

Aftermath of the 2020 ammonium nitrate explosion in Beirut, Lebanon. Description: Invented by Alfred Nobel in 1866, the explosive component of dynamite is a stabilized form of TNT. TNT Equivalent ...