The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

Astronomers are baffled by 3I/ATLAS, a newly discovered interstellar object that appears to be defying the basic laws of celestial motion. Instead of drifting naturally through space, the mysterious ...

Up, up, and away! That's the flight sequence for most commercially available drones. However, for drones powered by Aerix Systems’ proprietary omnidirectional propulsion technology, a more fitting ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Every year, companies and space agencies launch ...