A large asteroid dubbed 2024 YR4 now has a 2.2% chance of hitting the Earth on Dec. 22, 2032, according to NASA and the ...

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

Let’s keep Elon Musk out of the Aloha State ...

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

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

Caltech researchers develop a platform to characterize ultrathin membranes for lightsails, advancing the quest for ...

SpaceX is currently building the most powerful rocket ever, but Musk’s long-term vision goes far beyond Mars. He has hinted ...

Scientists are developing miniature lightsails that could travel at unprecedented speeds, potentially enabling interstellar ...

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 ...

Scientists’ ideas for travelling to the stars range from the the wholly improbable to the hugely expensive and very difficult ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To ...