Brad Spafford's eight-year federal prison sentence for possession of an unregistered rifle and homemade explosives.

Videos also show the pair allegedly training in rural Australia and making statements in front of Islamic State flags.

A student watches an explosive ordnance disposal demonstration during counterterrorism training at the Besmaya Range Complex, Iraq, on Dec. 16, 2018. (U.S. Army photo by Spc. Sarah K. Anwar) Figure 2: ...

When high explosives are subjected to sudden shock waves, such as from an impact or detonation, tiny regions of intense heat—called hot spots—form at microstructural defects such as pores. These hot ...

Police found explosives in Thomas Matthew Crooks' car after he shot at Donald Trump. The FBI has identified Crooks, who was killed by Secret Service, as the shooter. Authorities searched Crooks's home ...

A man was arrested after federal agents found a “home explosives lab” at a north Bexar County home, the U.S. Department of ...

What appeared to be explosives were found in a car belonging to the gunman who fired multiple shots at former president Donald Trump in Pennsylvania Saturday, sources tell ABC News.One source told ABC ...

But the explosives did not detonate, according to investigators, who also found a video of the two men training with firearms ...

Airline security experts have been talking for years about the threat posed by liquid and gelled explosives and the inadequacy of current airport screening devices to detect them. This is especially ...

SALEM, MA — A Salem man is facing assault weapon and explosives charges after the Essex County District Attorney's Office said illegal "ghost" gun parts, flash powder, fuels, and oxidizers were found ...

A crate containing stolen military explosives is shown on Nov. 5, 2010, in Quantico, Virginia. (Naval Criminal Investigative Service via AP) The Marine Corps demolition specialist was worried — about ...

The Halo Trust said vast areas are ‘contaminated’ with unexploded bombs, missiles, shells and improvised devices.