After the last astronauts landed on the moon (for now) in 1972, what happened next? The BBC Two series "Once Upon A Time In Space' follows the trail of the human space program, from the space shuttle ...

Space is packed with hazards and health risks, and researchers have spent decades discovering what space travel does to the human body (answer: nothing good). But a new study suggests that the effects ...

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 ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

According to Einstein’s theory of relativity, time passes more slowly in space. As a result, astronauts would experience a delay in aging. However, scientists found that space travel may have the ...

Astronaut families are quite similar to military families. If you're a space buff but haven't already seen the 1995 film "Apollo 13," it's worth the watch. It recreates the near-disaster mission ...

A computer-generated image of the football-field-sized International Space Station. Editor at Large The last time no representative of the human race was in space Bill Clinton was in his final year in ...

MIT astronauts aboard the International Space Station—and the MIT researchers who have sent up experiments—have advanced our understanding of science, space, and the universe. On November 2, 2000, ...

Stem cells age faster and become functionally exhausted in low Earth orbit, making crewed long-duration space travel even more challenging. When you purchase through links on our site, we may earn an ...

As humans prepare for longer missions to the moon and Mars, scientists are trying to understand how space affects the human body. One of the biggest concerns is space radiation — high-energy particles ...