Is There Anyone Out There ? An e-book about SETI

Updated 22 January 2026 Is there anyone out there?  The question of whether or not alien intelligent life exists elsewhere in the Universe has fascinated humankind for hundreds of years. Until relatively recently, this was merely the stuff of science fiction, but since the middle of the twentieth century astronomers have been able to seriously… Continue reading Is There Anyone Out There ? An e-book about SETI

New Horizons

On 14 July 2015 the New Horizons Spacecraft will fly past the dwarf planet Pluto which lies on the edge of our Solar System. This is the culmination of a nine and half year voyage which started when it was launched in back in January 2006. Artist's Impression of New Horizons passing Pluto - Image… Continue reading New Horizons

Artefacts From Earth

This is the final post in a series about human efforts to contact extraterrestrials.  Today I want to discuss the objects which have already been sent out into interstellar space in the hope that at some point in the distant future an alien civilisation will retrieve and decipher them. The Pioneer Plaque On 3 March 1972 Pioneer… Continue reading Artefacts From Earth

This is Earth Calling

Sending Messages to be picked up by alien civilisations is called METI (Messaging to Extraterrestial Intelligence) and is an activity which has taken place with increasing frequency over the past few decades. Advocates of METI argue that in addition to searching for extraterrestrial signals we can increase our chances of making contact with aliens by sending messages to stars which… Continue reading This is Earth Calling

SETI

As I discussed in my last post, the search for signs of extraterrestrial life has caught the interest of many people for a very long time, and the specific search for signals from other life forms has been a particular source of fascination over the last 50 years. In the 1997 movie Contact Jodie Foster's… Continue reading SETI