If an alien megastructure indeed encircles a star known as KIC 8462852, it's 1,500 years old and no one may be home anymore. A: The star known as KIC 8462852 does have an unusual light pattern, ...

Strange giant patterns exposed on the floor of China’s second-largest freshwater lake after a recent heatwave have triggered a range of conspiracy theories on mainland social media from aliens to ...

What would be the best way for an advanced alien civilisation to make its presence known across the galaxy? It might be to make the planets in its star system dance in mathematical sequence. Many ...