While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one ...

An upcoming private space mission will carry the first national astronauts from India, Hungary, and Poland to visit the International Space Station.The Latest Tech News, Delivered to Your Inbox ...

So when we travel to zero gravity environments like the International Space Station or limited gravity ... and that's because there's never a time here on Earth where we're not exposed to zero ...

For the generations of people that grew up watching shuttle launches on television or even in person, there’s little that's more magical than the thought of going to space. When the shuttle ...

The travel time to Mars also depends on the technological developments of propulsion systems. According to NASA Goddard Space Flight Center's website, the ideal lineup for a launch to Mars would ...

Vanderbilt University physicist Lorenzo Gavassino isn't so sure this is as big an obstacle as time-traveler pessimists have made out. In a recent examination of the finer details on entropy, space, ...

Through amateur — or “ham”— radio communication, sixth graders at Pine View spoke to an astronaut aboard the International ...

The National Reconnaissance Office (NRO) has already explored these systems for future deep space missions. These advances could cut travel time to Mars by more than half, making space colonies a ...

but the physical concept of time travel typically traces back to Albert Einstein’s theory of general relativity. This theory shows that space-time can curve in unusual ways. Under certain ...

Shubhanshu Shukla is one of the four Indian Air Force (IAF) officers selected for Gaganyaan, India’s own human spaceflight ...

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on spacewalks in history Sara Hashemi The 3.7-billion-year-old formations in the ...