If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

The CIA has been accused of gaining secret access to the DNA information of millions of people as the intelligence agency allegedly searches for alien life on Earth. Jason Reza Jorjani, a philosophy ...