This book examines why powerful states have varying success in restraining less-powerful allies from acquiring nuclear weapons, based on a broad range of historical case studies. The outcomes of nucle...

次世代を担う、優秀な若手研究者の育成プロジェクト

ICE's budget hovered around $10 billion for years. But President Trump and the Republican-controlled Congress are taking the agency's funding to unprecedented levels.

My latest co-authored essay for Foreign Affairs.

In recent decades, the United States has attempted to overthrow the regimes of several other countries in the hopes that the new regimes will be friendly toward Washington. Does foreign-imposed regime...

This article examines the continuity and changes in Japanese and South Korean discourses on nuclear weapons since Russia’s full-scale invasion of Ukraine in February 2022. While Japan experienced s...

As Washington deepens industrial ties with Japan, South Korea and Australia, Europe risks being left out unless it partners with its Asian allies.

The 21-year-old won the Kyushu tournament after a tie-breaking victory over grand champion Hoshoryu from Mongolia.

高市早苗首相は7日の衆院予算委員会で、台湾有事について、安全保障法制で集団的自衛権を行使できる「存立危機事態」にあたるかを問われ、「戦艦を使って、武力の行使も伴うものであれば、存立危機事態になりうる…

This article examines recent changes in Japan’s security policy, visible in its 2022 Japan National Security Strategy. It finds that the underlying driver for Japan’s military investments is a new ...

States often seek to undermine their competitors in order to obtain a favorable balance of power. Yet, the literature on how they actually do that remains sparse and disconnected. We focus on how a...

By the authority vested in me as President by the Constitution and the laws of the United States of America, and in recognition of the enduring alliance

ANTHONY ALBANESE, PRIME MINISTER: It's a great honour for me as Australia's Prime Minister to be here to celebrate 50 years of the birth of this great nation of Papua New Guinea. Prime Minister Marape gave a powerful and inspirational speech this morning where he spoke about the fact that the Australian flag 50 years ago was lowered, it wasn't torn down. Australia was partners in what was an effective and peaceful transition, to the great credit of those great leaders, led by Mr. Somare, of whom a statue is placed outside Parliament House here in Port Moresby.

The tiny country has evolved from an object of sympathy into a controversial and feared powerhouse.

ONLINE: On 21 August 2025, UNU will host a BIG IDEAS Dialogue with Nadia Tjahja, PhD Fellow at UNU-CRIS.

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Exclusive: Washington presses Seoul to expand defense treaty into Indo-Pacific Trump administration seeks South Korean commitment in US-China flashpoints

States often seek to undermine their competitors in order to obtain a favorable balance of power. Yet, the literature on how they actually do that remains sparse and disconnected. We focus on how a...

States often seek to undermine their competitors in order to obtain a favorable balance of power. Yet, the literature on how they actually do that remains sparse and disconnected. We focus on how a...

The documents reveal a DOGE affiliate is attempting to transfer the headquarters of an independent think tank, the United States Institute of Peace, to the government at no cost.

The current strategic environment is favorable to U.S.-South Korea-Japan trilateral security cooperation, and space cooperation is one of the most promising paths for it. U.S.-South Korea-Japan tri...