For over a century, rocket propulsion has followed a simple principle; burn fuel, expel it backward, and Newton's third law pushes you forward. Since Konstantin Tsiolkovsky first formulated the rocket ...

The first time you experience weightlessness in space, Tom Marshburn told me, all the noise and pressure of launch suddenly disappear. One moment, the roar of engines shakes every bone in your body; ...

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, ...

Time dilation, a real phenomenon, means astronauts can age more slowly than people on Earth during high-speed space travel.

In the relentless quest to make journeys to Mars shorter and safer, Russian scientists have recently turned heads with a bold claim: A plasma-based propulsion system could cut the Earth–Mars transit ...

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 ...

Traveling to space is brutal on the body. NASA’s pioneering study of the identical twin astronauts Mark and Scott Kelly tracked signals of aging in both men while Mark remained on Earth and Scott ...

Register for 2026 now at [email protected] and we will contact you with confirmed tour details, including dates and prices, when available. Take off on a quest through the past, present and ...

Microbes essential for human health have proven resilient against the extreme forces of space travel, offering hope for maintaining astronaut well-being on future long-duration missions. Microbes ...

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 ...