Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and surprisingly precise. As researchers probe the edges of general relativity ...

STATEN ISLAND, N.Y. — Imaginative minds have long pondered the possibility of time travel, but is it all just wishful thinking or is there any scientific evidence that mankind could travel into the ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Nuclear rockets are moving from Cold War concept to near-term hardware, and the shift could reshape how quickly and safely ...

NASA and Lockheed Martin debuted their first test run of a low-volume supersonic jet that’s expected to allow air passengers to travel faster than the speed of sound. The X-59 aircraft soared Tuesday ...