Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets we've found so far—which in turn makes them interesting for astrobiological ...

Recent research suggests that galaxies with high radio emissions—known as “radio-bright” galaxies—could be home to alien civilizations. This idea, explored in Brian C. Lacki’s study Artificial ...

The Hubble Space Telescope has captured a striking image of an irregular dwarf galaxy. And while this galaxy might be faint and far away, it certainly takes the spotlight in this spectacular new image ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

Add Yahoo as a preferred source to see more of our stories on Google. The Borg queen smiles in Star Trek: First Contact - Paramount Some of the most famous alien races in all of science fiction ...