China and Japan have traded barbs after a plane allegedly piloted by extreme Japanese nationalists flew over a disputed island in the East China Sea – a long-running source of tension between ...

Japan has formally protested against China following an incident involving a Chinese Coast Guard helicopter violating Japanese airspace. Four Chinese vessels also breached Japan's territorial waters ...

The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a detailed image of a cluster of sunspots with the telescope's new Visible ...

The NSO describes sunspots as "areas of intense magnetic activity" that can trigger solar flares and coronal mass ejections — phenomena that can have damaging effects on Earth's radio communications ...

The Daniel K. Inouye telescope snapped a clear image of sunspots. The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a ...

This sudden flash of light accompanied by a colossal burst of subatomic particles is called a solar flare. The most powerful flare we’ve ever directly measured occurred in 2003, and it emitted ...

TOKYO (AP) — Japan’s massive holdings of U.S. Treasurys can be “a card on the table” in negotiations over tariffs with the Trump administration, Finance Minister Katsunobu Kato said Friday.