The machines are built from autonomous modules that can be snapped together in a variety of forms ...

President Donald Trump has promised to declassify top-secret alien files and UFO documents. Here is what the Pentagon has ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and infrared heat signatures, the hunt for alien technosignatures has ...