Japanese researchers are closing in on a long promised energy dream, using only sunlight and water to generate clean hydrogen fuel with no smokestacks or power cables in sight. Their latest technology ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

Japan has quietly crossed a threshold in naval warfare, installing a massive high-energy laser on a dedicated test ship and beginning live trials at sea. The system, rated at 100-kilowatt power, is ...

How do cutting-edge science and technology respond to ethical and legal issues when incorporated into society? These issues are known as ethical, legal and social issues, or “ELSI” for short, and ...