The South Korean and U.S. militaries have agreed to shorten their drills at the United States’ request, officials for both nations acknowledged Wednesday, days after President Trump ordered cuts to the exercises. The allies’ summertime Ulchi Freedom Shield exercises began Monday morning for an 11-day run, just after Mr. Trump ordered they be scaled back….
Astronomers announced Wednesday they had discovered a new type of astronomical object called a “black hole star,” potentially solving a mystery involving strange red dots spotted in the early universe. The object looks like a star the size of our solar system, but produces 100 billion times more energy than any star — a mighty…
Scientists have captured images of the sun’s surface in the finest detail yet, revealing a strange and dynamic facade. It’s dangerous to look directly at the sun without proper eye protection. But researchers were able to peek at its scorching surface with the help of the National Science Foundation’s Daniel K. Inouye Solar Telescope, located…
