The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

For decades, the United States has been at the center of the global UFO debate, with more sightings reported within its borders than anywhere else in the world. According to the National UFO Reporting ...

Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...

Actual science finds itself badly outnumbered by entertainment repackaged as factual. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...