North Korea has been testing engines for an inter-continental ballistic missile, a US think-tank said Friday, as Pyongyang announced a top military reshuffle that coincided with signs of a looming nuclear test.

The Swedish government has announced plans to beef up its defence forces by fitting its fleet of Gripen fighter jets with long-range cruise missiles.

Georgia Gov. Nathan Deal signed a wide-ranging gun bill into law Wednesday that has critics howling and proponents applauding.

Syria has destroyed a majority of its chemical weapons material, the Organisation for the Prohibition of Chemical Weapons said Saturday. "The Syrian Arab Republic has removed or destroyed in-country approximately 80 percent of its chemical weapons material," according to the OPCW Executive Council.

This was filmed in Arizona at the Big Sandy Machine Gun shoot.

Its latest weapon is an electromagnetic railgun launcher. It uses a form of electromagnetic energy known as the Lorentz force to hurl a 23-pound projectile at speeds exceeding Mach 7. Engineers already have tested this futuristic weapon on land, and the Navy plans to begin sea trials aboard a Joint High Speed Vessel Millinocket in 2016.

It has been a decade in the making, and soon the U.S. Navy will demonstrate what Navy leaders have lauded as game changing technology. This summer in San Diego, the Navy will unveil its much-anticipated electromagnetic railgun launcher, which can launch a 23-pound projectile at speeds topping Mach 7. That’s 5,328.45 mph.

This is the same kind of laser technology scientists have examined for triggering lightning bolts.

Having gained so much ground in easing gun restrictions, conservatives now want to roll back limits on knives, which can be just as lethal.

North Korea has test-fired two medium-range ballistic missiles, just hours after the US, South Korea and Japan met in the Netherlands for talks. It is the first launch of a Nodong missile since 2009 and marks a step up from the short-range rockets Pyongyang has fired in recent weeks. The launches also came on the fourth anniversary of the sinking of a South Korean warship. Washington and Seoul have condemned the launch, which violates UN resolutions.

Poland has unveiled it’s concept for the next generation PL-01 stealth tank, which incorporates technology that makes it invisible to enemy thermal imaging.

Japan will announce Monday that it will turn over to Washington more than 700 pounds of weapons-grade plutonium and a large quantity of highly enriched uranium, a decades-old research stockpile that is large enough to build dozens of nuclear weapons, according to American and Japanese officials.

About 140 cases of missing or unauthorized use of nuclear and radioactive material were reported to the U.N. atomic agency in 2013, highlighting the challenges facing world leaders at a nuclear security summit next week.

A shell or grenade buried in western Belgium since World War One, has exploded, killing two people.

The protesters who filled Maidan Square to battle the Ukrainian army and topple President Yanukovych often fought with little more than sticks, bats, sledgehammers and other nasty homemade weapons.

Ukraine may have to arm itself with nuclear weapons if the United States and other world powers refuse to enforce a security pact that obligates them to reverse the Moscow-backed takeover of Crimea, a member of the Ukraine parliament told USA TODAY.

Prime Minister Benjamin Netanyahu, displaying on Monday what Israel said were seized, Iranian-supplied missiles bound for militants in Gaza, urged the West not to be fooled by

Short light bursts turn columns of air into energy conduits.

North Korea on Tuesday tested a new multiple-rocket launcher with a range long enough to strike major American and South Korean military bases south of Seoul, South Korean military officials said.

North Korea fired four suspected short-range missiles into its eastern waters Thursday, a South Korean defence official said, in an apparent effort to protest ongoing U.S.-South Korean military exercises that Pyongyang calls a rehearsal for invasion.