Speculation about links among a handful U.S. scientists who have died or disappeared in recent years was largely confined to ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

People who want to reach out to E.T. have long recognized the communication potential of such " megastructures ." In the ...

The US is investigating a possible conspiracy after at least 10 scientists connected to US nuclear secrets and rocket ...

Various federal investigations were underway Tuesday into a series of recent disappearances or deaths of U.S. scientists ...

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

At least 10 scientists tied to sensitive U.S. research have died or disappeared in recent years, sparking a federal ...

President Donald Trump called the situation "pretty serious stuff” last Thursday and said he attended a meeting discussing ...

The disappearances and deaths of 10 government workers tied to nuclear or space technology have sparked speculation online.

Multiple scientists tied to U.S. military and defense research have disappeared or died, prompting questions about whether a ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly ...