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

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

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 ...

SETI may have missed alien signals for 60 years because stellar plasma smears transmissions into noise, a new Astrophysical ...

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

As UAP files are declassified and Disclosure Day hits cinemas, physicists argue that any aliens capable of reaching Earth would become 'time exiles' who can never truly go home.

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 ...