Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that suggest the presence of artificial light sources on a distant exoplanet. The ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Perseverance rover has captured the first-ever photo of "naked eye" auroras on Mars. The alien light show — snapped after ...

Extraterrestrial civilisations could give themselves away by the night-time glow of their cities. And if there is one lurking in the outer reaches of our solar system, we are ready to find it.