Even as the whistleblower Daniel Ellsberg of the Pentagon Papers passed away, his second secret remains hushed.

The arms trade market has always been an indicator of the international security situation, and various acquisitions are now clouding the future of the Asia-Pacific region. Several countries are currently engaged in the most significant arms race since World War II.

Artificial intelligence may transform human society for the better by releasing people from repetitive work and improving the speed of innovation. But no one is immune from its potential negative social impacts and security threats. Some worry about becoming its victims.

The concept, introduced by President Xi Jinping, can inform China-U.S. cooperation. The two countries need to seek their common security — and that of the world — by evolving and developing together.

For a successful summit, both sides need to put themselves in the other's shoes.

The US must address the root causes of the North Korean problem – its security paranoia – to make a successful nuclear deal.

A former C.I.A. officer suspected by investigators of helping China dismantle United States spying operations and identify informants has been arrested.

Here’s what China and the US should do to move their relationship forward.

With the recent shooting in Las Vegas, the debate over gun ownership and gun control in the US has been reactivated, but people are no longer hopeful that any change can come from it. Why?

Given the rising prominence and influence of the People’s Liberation Army (PLA), Chinese President Xi Jinping is endeavoring to maintain a delicate balance between civil and military authority.  His failure to reign in the increasingly assertive armed forces could have a significant and far-reaching impact on international relations and security.