Interplanetary travel has long been one of the most ambitious goals in space exploration, and whether humanity achieves it this century depends on advances in technology, safety systems, cost ...

Add Yahoo as a preferred source to see more of our stories on Google. Deep space travel fast-forwards cellular aging, but it may unlock the ultimate longevity tech for Earth. | ©Image Credit: NASA If ...

As space missions become longer and ambitions for deep-space travel grow, scientists are working to understand how life beyond Earth may affect every system in the human body. Two years after her ...

From “Aliens” to “Interstellar,” Hollywood has long used suspended animation to overcome the difficulties of deep space travel, but the once-fanciful sci-fi staple is becoming scientific fact. The ...

Deep space travel comes with a huge potential downside—radiation exposure that can kill an astronaut either quickly or slowly over time if not managed correctly. But what exactly does that mean, and ...