Humanity has never been fully satisfied with this side of the horizon. Our ancestors crested mountains and crossed oceans until our species filled every corner of the world. We invented machines for ...

The space-faring mice spent about 28 days in those conditions before returning to Earth in April. Mortreux and her colleagues then analyzed the weight, strength and movement of the 23 surviving ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to spread its reach from the tidal pools to the oceans to ...

Scientists say that if humans want to live on the Moon or Mars one day, they must solve a very big problem: how human reproduction will work in space. Experts say astronauts’ ability to have healthy ...

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; ...

Researchers should urgently think about how humans can reproduce in space, experts have said. As humanity looks towards living beyond Earth, we need to understand how human reproduction will actually ...

Humans were not designed for space. Ironically, because we insist on going there anyway, scientists now know from studying astronauts that the lack of Earth’s gravity can wreak health havoc, such as ...

Human spaceflight remains hard, despite progress in "lessons learned." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...