Neil deGrasse Tyson challenges recent UAP disclosures, urging officials to provide concrete evidence of extraterrestrial life ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

NBC News’ Gadi Schwartz previews the new exhibit at the California Science Center, where visitors will soon be able to view ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. This image provided by NASA shows the interstellar ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

By coordinating simultaneous deep-space observations, an international team of astrophysicists has successfully captured one ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Latest update on 3I/Atlas: Could the interstellar object be an alien spaceship? The silence by NASA, ESA and China on 3I/Atlas ever since it flew by Mars has raised concerns about the nature of the ...