NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

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 ...

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 ...

The team includes the first woman and first person of color on a moon mission. NASA and the Canadian Space Agency announced Monday the four astronauts who will partake in the next Artemis mission and ...

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 ...