and Taro Aso raise their fists Saturday before officially registering for the Liberal Democratic Party's presidential election, which is scheduled to be held on Sept. 23. KYODO PHOTOS

The former chief Cabinet secretary now has the support of the executives in most of the LDP's nine factions, including the largest one, which is led by Foreign Minister Nobutaka Machimura.

Our Planet

Rice fields in the town of Ozu, Kumamoto Prefecture. The water-filled paddies glistening under the sun is a symbol of a long-running effort to preserve the prefecture’s groundwater.
Japan's chipmaking rush pressures Kumamoto's special water supply

Longform

Construction takes place on the Takanawa Gateway Convention Center in Tokyo, slated to open in 2025.
A boom for business tourism in Japan?