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 ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

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

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

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

Astrophysicist and science communicator Neil DeGrasse Tyson, 67, dropped a bombshell and told the government to “show the ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

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

XMM-Newton and NuSTAR space telescopes capture a massive, dual-layered UFO blasting from a hyper-luminous quasar at Cosmic ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

The Pentagon's latest release of declassified Unidentified Anomalous Phenomena files places a spotlight on reports and recordings from the Northeastern United States, including two videos documenting ...

A new federal release is giving the public another look at unexplained sightings.The Department of War released its third batch of declassified UFO and Unidentified Anomalous Phenomena records on ...