From H. G. Wells's The Time Machine to Christopher Nolan's Interstellar, the possibility of travelling through time has fascinated people for centuries. But, although it sounds like pure science ...

Your body's blood-making stem cells, hematopoietic stem cells (HSC), are like factory managers who work best when calm and rested. But when stress hits, like infection or injury, they spring into ...

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

Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

On the Wednesday, Sept. 24, 2025 episode of The Excerpt podcast: Are humans on the precipice of not only being visitors to outer space, but also becoming permanent residents? Namrata Goswami, ...

Traveling to space is brutal on the body. Spaceflight can cause astronauts’ bones to lose density, their brain and eye nerves to swell, and their genes to change expression. Research suggests spending ...

There’s been plenty of research into how space travel affects the body. While many studies have looked at the effects of low Earth orbit (LEO) spaceflight, some have looked at the negative health ...

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 ...

“Our mission was to convey the wonder and majesty of space exploration, to evoke the golden-age of early spaceflight, and we’ve been referring to this approach as ‘NASA Punk’”. That’s how Starfield ...