The curious minds at What If explore what would happen if aliens were future versions of humans.

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

A leading biological anthropologist has proposed that the mysterious beings behind countless UFO sightings could be time-travelling humans from Earth's future, returning to monitor their ancestors as ...

NASA Administrator Jared Isaacman revealed the agency possesses unexplained images of unidentified objects and suggested Mars ...

In the last year, the subject of little green (or gray) men has been discussed endlessly by high-profile television hosts and podcasters, including astrophysicist Neal deGrasse Tyson, political ...

Add Yahoo as a preferred source to see more of our stories on Google. The White House has launched a website that, at first glance, appears to offer classified intelligence about extraterrestrials. In ...

Graham Kates is an investigative reporter covering criminal justice, privacy issues and information security for CBS News Digital. Contact Graham at KatesG@cbsnews.com or grahamkates@protonmail.com ...

The Pentagon has released a trove of new images and videos featuring mysterious orbs, dots and unidentified flying objects as part of its rollout of files related to UFOs and potential ...

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...