The more fuel you carry, the heavier your rocket becomes, requiring even more fuel to lift that fuel, in a vicious cycle that ...

Despite the aggressive marketing efforts by Disney and NASA to promote space travel, public interest remains low as of August ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending a mission to one would undoubtedly yield a scientific payoff. There’s a ...

Interstellar visitor 3I/ATLAS will reach perihelion on October 29, 2025, sparking theories from alien spacecraft to ...

This story has been updated to reflect a new scheduled launch time, Weds., Sept. 24. On Wednesday, Sept. 24, a Falcon 9 rocket will break the bonds of gravity while carrying the Interstellar Mapping ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.