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 ...

NASA has quietly hit pause on what it billed as its first dedicated hunt for alien biosignatures, reacting to fresh data that raised more questions than answers about how to tell life’s fingerprints ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...