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 ...

Space elevators? Nuclear rockets? The future of space travel could look radically different. Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science ...

Animals can hibernate, slowing down most metabolic functions — heart rate, blood flow, brain activity, and body temperature — then waking as if nothing happened. Humans have never done this, but what ...

On January 22, 2025, physicists unveiled a groundbreaking discovery that could revolutionize our understanding of the universe and potentially unlock the secrets of time travel. The existence of ...

Several companies now offer a taste of commercial space travel — if you can stomach the price tag. Elon Musk’s SpaceX, Jeff Bezos’s Blue Origin and Richard Branson’s Virgin Galactic are among the ...

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, ...

Astronaut families are quite similar to military families. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you're a space buff but haven't ...

During his life, Willy Ley predicted the dawn of the Space Age with remarkable accuracy. How did his remains end up forgotten in a co-op on the Upper West Side? Willy Ley wrote prolifically about the ...