New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

A scientist at the University of Glasgow has delved into the possible existence of ...

Last year, a single star found fame. It consistently made headlines and even appeared on "Saturday Night Live" and "The Late Night Show with Stephen Colbert." The star (often referred to as Tabby's ...

If alien civilizations rise and fall, they may leave behind artifacts long after they are gone. From abandoned megastructures ...