New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

A cigar-shaped rock zooming through our Solar System — the first object from a foreign star system ever spotted in our midst — is cloaked in a coat of organic material, astronomers said Monday. Dubbed ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a triply-eclipsing star system. The newfound system, designated TIC 295741342, consists of two sun-like stars in ...

NASA and the European Space Agency announced Monday that the James Webb Space Telescope has produced the first mid-infrared chemical fingerprint ever obtained from an interstellar object, detecting ...

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