Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for ...

While traditional rockets have gotten us into space for decades, newer tech is on the horizon, like this plasma engine that ...

While astronauts do not leave home to go to war or face combat, families of space travelers may share a few commonalities ...

Space may be the final frontier, but it’s also one of the most dangerous places for the human body. Beyond the safety of ...

Are astronauts aging faster in space? A groundbreaking new study from UC San Diego reveals that human stem cells — ...

Space missions in the future could travel to Mars, asteroids and the outer solar system by riding on nuclear-powered rockets, ...

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further ...

If cinema is an invitation to escape the real world, there's no better place to go to then the stars. However, while there are plenty of movies about space travel circling the cosmos, which ones are ...