US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions and push the search for alien life.

Private companies are racing to redefine what a space station looks like, and one of the boldest ideas on the table is a platform that can be launched in a single mission instead of assembled piece by ...

The imaginary constructions of science fiction fill us with awe at their alien vastness. Which have you explored, and what was the most overwhelming?

Russia has quietly taken a science fiction staple and turned it into a legal blueprint, securing a patent for a rotating orbital outpost that would create artificial gravity for crews. The design ...