The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a more exciting locale to visit than America’s naval bases.

Barack Obama sparked a debate after seeming to confirm aliens are “real” on a podcast. The comment came as Congress continues ...

Debates over extraterrestrial life and unidentified flying objects have taken on a new political dimension in the United States.

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

NASA has responded to President Donald Trump's latest talk of unidentified flying objects (UFOs) and unidentified aerial phenomena (UAPs). UFO enthusiasts have waited decades for presidents of the USA ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Nasa reinforces its commitment to open science following Donald Trump's interest in declassifying alien files. The agency ...

(KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an ...

In that framework, a NASA researcher mapping how alien societies could fill the Milky Way is not imagining a single dramatic encounter, but tracing a dynamic ecosystem of births, expansions and ...