Is anybody out there? (Image: Dr Seth Shostak/SPL)
THE first findings from the world’s only telescope largely devoted to the search for extraterrestrial intelligence (SETI) have been released.
The Allen Telescope Array (ATA) in northern California scans for alien radio signals more intensively and over a wider field of view than any previous effort. Sadly, it has not turned up any alien civilisations as yet. But that’s not all the ATA does. Since going live in 2007, its 42 receivers have been scouring the sky for star-forming hydrogen nebulae and unusual radio blips. The latter may be emitted by…
