A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

In 1973, two Mississippi shipyard workers went fishing—and ended up paralyzed aboard a spacecraft. Calvin Parker and Charles ...

Author David Paulides has said that a number of disappearances in national parks cannot be explained.

Imagine that one day, out of the blue, a friend or family member disappears and are taken abroad. For decades you and your loved ones have been torn apart. Well, not so long ago, at least 17 Japanese ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...