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

Some day in the far future, it’s possible our descendants will kick it up a notch and wrap the entire Sun in a massive solar-collecting shell known as a Dyson Sphere. It’s also possible that some ...

In 1960, Freeman Dyson proposed how advanced civilizations could create megastructures that enclosed their system, allowing them to harness all of their star's energy and multiplying the habitable ...

A story that went viral this week reports that astronomers finally found E.T., but those aren't the facts. CNET's Eric Mack talks with the astronomers involved about what is still a very interesting ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When it comes to the hunt for extraterrestrial life, perhaps the ...

John has been writing about videogames for almost a decade, and playing them for almost three. His greatest passion is for Grand Strategy and immersive RPGs, but he's dabbled in pretty much every ...

So, you want to know about Stellaris megastructures? These gargantuan feats of engineering were first introduced in the first Stellaris DLC - Utopia - and range from habitats and gateways, to more ...