Rescued NASA astronauts deliver message to Trump, Musk after 'incredible' nine months in space The deepest US lake is closing to tourists for at least 3 years Eddie Murphy says Sidney Poitier ...

A U.K. startup called Pulsar Fusion has recently unveiled a project it has been developing “in complete secrecy” for the past decade: nuclear fusion-powered rockets called Sunbirds. The company teased ...

And if space users do nothing to clean up what’s already there, he says, the 29,000 or so large bits of space junk orbiting Earth today ... pounds—more than half of which will be propellant.