Today, space travel for the average person is no longer a matter of "if" but "when," thanks to the imaginations of self-funded business magnates with an eye on the sky. Space is the tourism ...

A new ultra-thin lightsail design could cut interstellar travel time by centuries, say scientists from Brown and TU Delft.

But this time, there's no green screen or special effects; the star will actually see Earth from space. If Katy Perry accepted this crazy challenge, it's not for the adrenaline rush or the ...

Crewed space travel isn’t just an engineering feat. It’s a test of the endurance and resilience of the human body. In microgravity, astronauts' bodies undergo dramatic changes: muscles weaken, bones ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time to ... for the fusion-powered 'tugs' to be permanently based in space, ...

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 ...