Eight years after he first vowed to close the detention facility at Guantanamo, Obama delivered a long-awaited plan Tuesday that offered little in the way of new ideas.
The US Defense Department is pouring money into an extraterrestrial arms race at a time when China and Russia are increasingly asserting themselves in space.
The US military is shifting from its "Global War on Terror" after more than a decade of fighting in Iraq and Afghanistan, but it needs another decade to become really confident that it can defeat a major competitor like Russia or China in a war.
By discussing previously classified programs, the Pentagon is letting Russia and China know that the US will continue to hold its own in air combat.
The US Navy's SM missile can now hit anything from ships to land targets to satellites. That may not sound like a big deal — but to Chinese military planners, it certainly is.
Defense Secretary Ash Carter said a US aircraft was responsible for an airstrike that mistakenly killed nine Iraqi soldiers during an operation against the Islamic State near Fallujah.
Colonel John C. Hope says his career is in jeopardy because he spoke out against a program that blew millions of dollars on ill-conceived projects.
Twenty-seven retired military leaders have signed a letter to Secretary of Defense Ash Carter asking him to remove barriers that effectively prevent observant Sikhs to serve without being forced to violate their religious obligations.
The militant group released a video that purportedly shows the beheading of four Kurdish Peshmerga fighters in retaliation for the raid that freed 70 prisoners last week in Iraq.
The operation took place at a prison compound in the town of Hawija on Thursday that was planned by Kurdish forces with the support of American military forces, who were ultimately drawn in when the Kurds began to incur casualties.
Doctors Without Borders says an apparent attack by US forces on a hospital in the city of Kunduz killed at least 19 people, including 12 hospital staff members and three children.
The top US diplomat called on Russia and Iran to use their influence over Syrian President Bashar al-Assad to convince him to negotiate a political transition.