Mahmoud Khalil, a Columbia University student who helped lead last year’s pro-Palestinian demonstrations, was detained by the Department of Homeland Security on Saturday. Photo: Jeenah Moon ...

China has successfully launched a new test satellite for communication technologies from the Xichang Satellite Launch Center.

China sent a new test satellite for communication technology into space from the Xichang Satellite Launch Center in the southwestern Sichuan Province early on Monday. The satellite was launched by ...

1 Graduate School of Education, Shandong Sport University, Jinan, China. 2 Department of General Education, Shandong First Medical University, Tai’an, China. The growing population of physically ...