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

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 ...

Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.

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 ...

Dyson spheres, theoretical megastructures proposed by physicist Freeman Dyson in 1960, were hypothesised to be constructed by advanced civilisations to harvest the energy of host stars. It’s thought ...