If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

We spoke to a genuine astrophysicist about the accuracy of Star Trek's approach to interstellar travel, the holodeck, and the ...

The laws of physics may place hard limits on our ability to explore the galaxy. From time dilation to extreme energy demands, the barriers are staggering. This video explores whether interstellar ...

A spacecraft that could reach the nearest star system in about 20 years would need to travel at a meaningful fraction of the ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for interstellar propulsion. Reading time 3 minutes A team of researchers at ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That observation, attributed to American physicist Richard Feynman, captures a tension many people feel when ...

Engineers are developing a concept for interstellar travel using a swarm of 1,000 ultra-light "laser sails." The mission aims to send these sails to Proxima b, an exoplanet 4.25 light-years away, ...

AUSTIN (KXAN) — Exploring beyond our solar system could have lasting impacts here on Earth, and scientists, creatives and industry experts gather at the University of Texas at Austin this week to ...

AI gives a thumbs up to Brett Bellmore innovative modifications to Robert Zubrin’s Nuclear Salt Water Rocket (NSWR). Switching from water to polyethene and storing in sausage strings could enhance its ...