(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a new analysis – satisfying both our sci-fi ...

The latest finding from NASA's planet-hunting space telescope, Kepler, has scientists talking -- and they're stumped. "We've ruled out the usual suspects and are scratching our heads and can't figure ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. It might be evidence of aliens building gigantic structures around ...

For generations, science fiction has trained us to imagine the future as humanity spreading across endless new planets. But ...

The world was electrified last year when it was suggested that scientists had spotted an “alien megastructure” orbiting a distant star. Now a space boffin has suggested huge extraterrestrial ...

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 ...

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 ...

For the last two years, astronomers all over the world have been eagerly observing what is hailed as “the most mysterious star in the Universe,” a stellar object that wildly fluctuates in brightness ...