talks about the death of his 17-year-old son Takashi, a sumo wrestler who died in June, during a news conference in Tokyo on Thursday. At right, Takashi, whose ring name was Tokitaizan, poses in ceremonial attire in an undated photo. KYODO PHOTOS

News photo

Police are building a criminal case against the wrestler's stable master and some of his senior wrestlers.

Our Planet

The Gas Pavilion had welcomed around 500,000 visitors by the end of August, making it one of the most popular exhibits at the Osaka Expo.
At Osaka Expo, gas giants promote a greener future. But is it a lot of hot air?

Longform

Rock group The Yellow Monkey played K-Arena Yokohama in June as part of a nationwide tour. Concerts are increasingly popular in the age of social media as users value in-person experiences.
Inside Japan’s arena boom: Sports, sound and city-building