Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Satellite operators need better space weather models to maximize the life of their satellites and to avoid collisions in low ...

The latest models can create forces up to 100 times stronger than Earth's gravity, pushing the limits of what we thought ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

Here is an explanation of some of the effects on human health of space travel. Sign up here. The human body evolved over millions of years to function optimally in Earth's environment, which ...

Recent research suggests wormholes may already have been detected. Could Einstein have been right all along? How these ...

Space elevators? Nuclear rockets? The future of space travel could look radically different. Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science ...

But some experts worry that space travel could fritter away these hard-won gains. "Eloise thinks 30 years of progress to reduce the hole in the ozone layer could be substantially undermined with ...

Despite the ongoing conversation about the ethics of space travel, as private companies like billionaire Virgin founder Richard Branson's Virgin Galactic and Jeff Bezos' Blue Origin both offer ...

Space exploration would open the door to inhabiting different planets. Space travel provides an insurance policy of sorts. In case the Earth becomes unfit for life, then at least we’ll have a ...