A NASA whistleblower claimed that the space agency knowingly covered up proof of alien life captured in everyday photos.

NewsNation will stream the announcements from this story at 2:30 p.m. ET/1:30 C. The moon base is a core part of the Artemis program, which aims not only to return humans to the moon but to establish ...

Using the JWST, astronomers found ratios of carbon and heavy hydrogen in 3I/ATLAS not found in comets in our solar system.

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

Neil deGrasse Tyson challenges recent UAP disclosures, urging officials to provide concrete evidence of extraterrestrial life, highlighting the gap between transparency claims and actual proof.

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

NASA's Nancy Grace Roman Space Telescope is designed to capture sweeping images at a rapid pace and is set to launch in August. NBC News' Denise Chow got an inside look at the new telescope and ...

The southern lights curve above the Earth as the ISS orbited above the Indian Ocean southwest of Perth, Australia. NASA / Jessica Meir A trail of glowing green lights dances in a wavy pattern as it ...

The Pentagon released a fresh batch of UFO documents and videos on Friday, marking the government’s third major disclosure of ...

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images ...

The 72 newly released files date from the 1940s to this year and do not appear to contain definitive proof of life beyond our planet.