Chunks of Alpha Centauri—Our Closest Stellar Neighbor—Might Have Already Reached Us
A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...
This NASA Scientist Is Developing a Spacecraft for Interstellar Travel. Is It the Warp Drive We’ve Been Waiting For?
A scientific discovery that could transform the study of warp drive is now under wraps at the U.S. Defense Advanced Research ...