Limitless Space Institute compares the travel time of spacecraft propelled by nuclear power to that of imaginative fusion ...

NASA and Lockheed Martin debuted their first test run of a low-volume supersonic jet that’s expected to allow air passengers ...

While astronauts do not leave home to go to war or face combat, families of space travelers may share a few commonalities ...

Spacetime isn’t something that exists; it’s a model for describing how events happen. Treating events as objects creates philosophical confusion and fuels misconceptions, such as time-travel paradoxes ...

This haunting 2006 series blends time travel and cultural memory, trapping a detective in a past that’s more nightmare than ...

Travel is personal, and travelers demand a personalized touch; for AI to realize its potential, it must live in the hands of ...

After two weeks at sea, I’ve learned the hard way what to bring and what to leave behind. From clever packing cubes to ...

My first time trying Amtrak's business class was on a Northeast Regional trip to Boston. The five-hour train ride had perks ...

No one can say with scientific confidence why we exist or what happens when we die. In fact, scientists have a tenuous grasp ...

The test is seen as a significant move toward commercial supersonic flights, which could cut flight times in half. The ...

This undated photo shows Shenzhou-21 crew members Zhang Lu (C), Wu Fei (R) and Zhang Hongzhang. Chinese astronauts Zhang Lu, ...

Don't let your next vacation or business trip disrupt your sleep quality. Here are seven expert-backed tips on how to get better sleep during travel.