The discovery of the lizard in the old spaceship triggered an Australian biosecurity scare.

Newly declassified UFO files released under President Donald Trump's orders include a disturbing witness account describing aliens "three and a half to 4 feet tall" wearing "space suits and helmets." ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...