New WHO report suggests COVID-19 originated from animal-to-human transmission, though Director-General Tedros maintains all ...

NASA said Thursday it was postponing a launch of private astronauts to the International Space Station while it works with its Russian counterparts to investigate persistent leaks on the orbiting ...

NASA indefinitely delayed a four-person crew's mission to the International Space Station on Thursday over an escalating probe into air leaks aboard the orbiting laboratory's Russian segment.