To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Could the galaxy’s third confirmed interstellar visitor be an alien probe? The now christened comet 3I/ATLAS is sweeping past Earth at a safe distance of about 170 million miles, and while speculation ...

Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of ...

Some experts claim that the wreckage and even the pilots from UFO crashes are transported to a top-secret facility called Hangar 18. Is there a conspiracy to hide this evidence, or is it all just a ...