As private companies race to build orbital habitats and government agencies sketch out Mars timelines, a fundamental ...

Blast off.

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity." ...

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 ...

As space tourism gets cheaper and missions keep getting longer, scientists are now raising a question that used to be limited to science fiction. What happens if humans try to have children in space?

Humans haven’t been back to the moon since the Apollo moons program ended over five decade ago. The reasons why go beyond science, according to experts.

The Artemis 2 astronauts will venture deeper into space than any human has gone before. That presents some seriously exciting research opportunities.

It's official. Not a single person under the age of 25 has lived a day where there has not been a human orbiting Earth − and that is likely to never change. On Nov. 2, 2000, Expedition 1 arrived at ...

Three books push back on a rising tide of optimism about space settlements. Elon Musk and Jeff Bezos are bitter rivals in the commercial space race, but they agree on one thing: Settling space is an ...

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; ...