NASA’s 2 stuck astronauts take their first spacewalk together
NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni ...
health.economictimes.indiatimes15 小时
Despite waiver from U.S. on aid freeze, health and humanitarian groups uncertain if they ...
Secretary of State Marco Rubio issued the waiver on Tuesday night after aid groups worldwide warned that the blanket ban on ...