The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

A simulated “alien” signal sent by a Nasa orbiter circling Mars has finally been cracked after months by a father-daughter duo, revealing the cosmic coded message. Nasa collaborated with SETI ...

It was 40 years ago that two Japanese astronomers, Masaki Morimoto and Hisashi Hirabayashi, sent a radio signal towards a star called Altair, 16.7 light years away. Using a Stanford University ...

Related video: What If We Discovered Alien AI? Nasa collaborated with SETI Institute and media artist Daniela de Paulis on a project to simulate sending an alien message to Earth to observe how humans ...

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The message behind A Sign In Space, as found by Ken and Keli Chaffin. Credit: Ken and Keli Chaffin via A Sign In Space Last year, contemporary artist Daniela de Paulis partnered with the European ...

Messages sent into space to tell extraterrestrials about the nature of humankind should be updated to reflect gender equality and the diversity of life on Earth, scientists say. At a conference in ...