"The lightsail will travel faster than any previous spacecraft, with potential to eventually open interstellar distances to ...

Most people hear “spacecraft” and envision rockets blasting into space, but they’re often not aware of the meticulous ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

As we pioneer our way out from Earth to other planets and eventual the stars, our concept of time will change in more ways ...

The idea of traveling through interstellar space using spacecraft propelled by ultrathin sails may sound like the stuff of sci-fi novels. But in fact, a program started in 2016 by Stephen Hawking and ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

Radiation in the form of sunlight is therefore enough to push interplanetary spacecraft thousands of miles off course, however, so this effect must be accounted for when sending probes to Mars or ...

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

After 45 years in space, NASA’s Voyager 1 & 2 are still making history! These legendary probes have traveled beyond our solar ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...