Katherine Hignett is a reporter based in London. She currently covers current affairs, health and science. Prior to joining Newsweek in 2017, she edited a medicine industry newspaper and its ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

Two Russian cosmonauts completed a spacewalk at the International Space Station, wrapping up all of their tasks with time to spare, including the deployment of a radar that they began last year.

On Monday, Ukraine struck a radar station near the border with Kazakhstan that was more than 1,100 miles away, a Ukrainian intelligence official said. Ukrainian experts said the facility was used ...

Japan has opened a new monitoring station on an island about 60 miles ... Reuters reports that the radar facility was switched on Monday at Japan’s Self Defense Force base on Yonaguni, the ...