Nasa blocks Chinese nationals from working on its space programs

Move comes amid escalating anti-China rhetoric under Donald Trump’s administration Nasa has begun barring Chinese nationals with valid visas from joining its programs, underscoring the intensifying space race between the the US and China. The policy shift was first reported by Bloomberg News and confirmed by the US government agency....

Interstellar overhype: Nasa debunks claim about alien-made comet

Nasa dismisses theory by Harvard astronomer who suggested an object from beyond the solar system could be a relic from a distant civilization Skywatchers at Nasa have discounted a Harvard astronomer’s hypothesis that a rare interstellar object hurtling through our solar system is a relic from a civilization in another...