The experiment was failing. Nelly Ben Hayoun-Stépanian was in a cave in Spain, one outfitted to resemble the surface of a foreign planet, and she knew it was time to pull out. The goal had been to ...

Space exploration is among the most exciting frontiers for humankind. Developing knowledge about our solar system, galaxy and the possibility of humans becoming an interplanetary species are alluring ...

Venus, Earth’s closest planetary neighbor, is one of the most extreme and hostile environments in the Solar System. Its ...

Many believe we need to colonize space to get all of our eggs out of one basket, in case something should happen to Earth, but colonizing space might be the best way to protect and preserve our world.

A composite view of the Earth constructed by NASA from multiple satellite images Credit - NASA/Goddard Space Flight Center Human evolution is a story writ slow. It’s been about 3.8 billion years since ...

If we want to someday live on Mars, spaceships won’t be enough. We would need a Martian city—and this is how we might build one. In many ways, the problem of moving to Mars is simply a packing problem ...

Former President Barack Obama has expressed skepticism about the potential of space colonization to save Earth, slamming Tesla Inc. CEO and SpaceX founder Elon Musk and Blue Origin founder Jeff Bezos.