When astronauts Butch Wilmore and Sunita Williams embarked on Boeing’s Starliner capsule on June 5, 2024, they expected to be away from home for just over a week. Instead, they spent around 9 months ...

NASA astronauts have been the driving forces behind expanding human spaceflight by staying in space for long durations to perform crucial research, assisting in mission goals, and understanding more ...

Time is the strange dimension: Unlike its spatial siblings, it is a one-way street as the clock only ever ticks forward and never backward. Scientists have long been aware of time's quirks, with the ...

Going to space is harsh on the human body, and as a new study from our research team finds, the brain shifts upward and ...

Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...