METI (Messaging Extraterrestrial Intelligence) International has announced plans to start sending signals into space for extra terrestrials starting in 2018 'If we want to start an exchange over the course of many generations, we want to learn and share information,' said president of METI Douglas Vakoch Scientists are now working on the best way to say'hello' Some are against the plan, including Stephen Hawking'If aliens visit us, the outcome could be much like when Columbus landed in America,' Hawking has said in the past'If we want to start an exchange over the course of many generations, we want to learn and share information,' said president of METI Douglas Vakoch Scientists are now working on the best way to say'hello' 'If aliens visit us, the outcome could be much like when Columbus landed in America,' Hawking has said in the past'It's an impressive piece, but I'm no Indiana Jones': Mary... Uproar after Pennsylvania professor calls for'white... Is Putin trying to unlock the secret to eternal life? 'It's an impressive piece, but I'm no Indiana Jones': Mary... Uproar after Pennsylvania professor calls for'white... Is Putin trying to unlock the secret to eternal life? 'If we want to start an exchange over the course of many generations, we want to learn and share information,' said president of METI Douglas Vakoch Fox Valley Mall forced to close as huge brawl breaks out Chaos as people rush out of NJ mall after reports of gunshots Grizzly bear attacks TV woman who recklessly tries to stroke it Tears of joy? Emotional moment boy learns his mum is pregnant Partygoers allegedly arrested at a'mixed' party in Jeddah Mayhem outside Fox Valley Mall as police make several arrests Self-driving car predicts horrific crash and slams on breaks CAT ATTACK: Pet pounces on man as he opens Christmas present Hero dog saves his injured'girlfriend' on deadly railway track Just beautiful! Tears of joy? Emotional moment boy learns his mum is pregnant Partygoers allegedly arrested at a'mixed' party in Jeddah Hero dog saves his injured'girlfriend' on deadly railway track SWAT teams dispatched, families flee from'gunfire' and... Star Wars actress Carrie Fisher dies aged 60 four days after... 'Step Up' actress, 46, who vanished on her way to Christmas... Carrie Fisher'relapsed' before European tour that ended in... 'How could they let him drink and smoke himself to death?'... 'He became a recluse because he couldn't bear people to see... Bikini-clad Ivanka Trump and shirtless husband Jared enjoy a... Health curse of the middle aged: 80% are now'overweight,... How Carrie Fisher's brutal wit and very public battles with... The Texas border lake where Mexican cartels'are killing... George Michael's £100m fortune'will go to his Godchildren':... It's my quinceañera and I'll cry if I want to!