Elon Musk’s SpaceX dominates the news these days, but a host of oddballs involved in space exploration came before him.

You already know what the aim of the game is in Monster Hunter. You are a hunter, and you must hunt. Before you set out on ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

With handful of start-ups on board from Hermeus to Venus Aerospace, the sci-fi like form of travel could become a norm.