A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

Like many fans we are simply having fun using science to analyze the creatures. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

As UAP files are declassified and Disclosure Day hits cinemas, physicists argue that any aliens capable of reaching Earth ...