Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

Unusual stellar remnants suggest the Milky Way might have eaten a galaxy called Loki billions of years ago, according to new ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

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 ...

Exploring the unique characteristics of each of the following alien life forms gives fans a deeper understanding of the incredible and sometimes terrifying potential hidden within the galaxy far, far ...