Artist’s impression of the stadium for the the 2020 Olympic Games in Tokyo, designed by Iraqi-British architect Zaha Hadid. Photograph:  Japan Sport Council/AFP

Five years from now, an audience of billions will be watching the Olympics from Tokyo. But even before a girder of the city’s new Olympic stadium has (...)

Solar Impulse 2 pilots Bertrand Piccard and Andre Borschberg, celebrate after Borschberg landed at Kalaeloa Airport, Hawaii. Photograph: Eugene Tanner/AFP/Getty Images

A Swiss man attempting to circumnavigate the globe with an aircraft powered only by the sun’s energy landed in Hawaii on Friday, after a record-breaki(...)

US navy crewman points to a computer screen purportedly showing Chinese construction on the reclaimed land of Fiery Cross Reef in the disputed Spratly Islands in the South China Sea. Photograph: US navy/Handout/Reuters

China is close to completing a 3,000m-long airstrip on one of its artificial islands in the disputed Spratly archipelago of the South China Sea, new (...)

Kei Nishikori has pulled out of his second round match at Wimbledon with a calf injury. Photograph: Reuters

Wimbledon men’s fifth seed Kei Nishikori of Japan has pulled out of the tournament due to a left calf injury. Tournament referee Andrew Jarrett announ(...)

Passengers are seen inside a Shinkansen bullet train after it made an emergency stop in Odawara on Tuesday. trains between Tokyo and Osaka have been suspended after a passenger on a Japanese Shinkansen bullet train died after setting himself on fire on Tuesday and another person suffered a cardiac arrest. Photograph: Reuters/Kyodo

A carriage on Japan’s Shinkansen bullet train erupted in pandemonium on Tuesday after a man doused himself in fuel and set himself alight, killing him(...)

Amazon.com will launch its Amazon Lending loan programme to small sellers later this year in eight more countries including China. Photograph: Bartek Sadowski/Bloomberg

Amazon. com will launch its business loan program for small sellers later this year in eight more countries including China, where credit is becoming (...)

The Solar Impulse 2 flies over Nagoya Airport after taking off in Toyoyama, near Nagoya in Japan. Photograph: AP

A solar-powered plane took off from Japan on Monday on the seventh leg of its journey round the world, a trans-Pacific crossing expected to be the tou(...)

Over the next decade, the population of over-75s in greater Tokyo will grow by 1.75 million, think-tank the Japan Policy Council has warned. Photograph: Yoshikazu Tsuno/AFP/Getty

In Japanese folklore, families long ago supposedly took their old into remote areas and left them to die. The government was forced this month to den(...)

Due to slowing down of Earth’s rotation the solar day is getting longer each year. To compensate timekeepers add a second to the year to make sure our atomic clocks are synchronised to to the solar day.

An extra second will be added to today’s length, making Tuesday 24 hours and one second long. The move is often used by international timekeepers to k(...)

Japanese ambassador Chihiro Atsumi throws a stone into a stream at the opening of the Lafcadio Hearn Memorial Garden in Tramore. Photograph: Patrick Browne.

A memorial garden in honour of one of the most famous Irishmen to have lived in Japan has been opened in Tramore. The Lafcadio Hearn Memorial Garden(...)