Eleven scientists related to nuclear and space defense programs are missing or dead since 2022. Nearly four years later, Congress is finally looking into it.

A 'Fox News @ Night' panel discusses the investigation into the disappearances and deaths of high-level U.S. scientists.

NASA has said the probe into the string of missing or deceased scientists does not appear to be a "national security threat."

FBI investigates mysterious deaths and disappearances of scientists working on nuclear and space research. Chris Swecker, a former assistant director for the FBI, discusses what he considers the 'common denominator' in the cases and more.

The Chair of the House Oversight Committee said lawmakers were concerned that something more sinister was at play.

The FBI is investigating the cases of at least 10 staffers at secret government labs who have either died or disappeared. CBS News' Anna Schecter has the details.

House Republicans opened an investigation into missing scientists in advanced aerospace research, requesting information from the FBI and NASA.

The FBI said Monday that it would lead an effort to hunt for any possible connections between the seemingly unrelated deaths or disappearances of at least 10 scientists and government workers over the