Scientists had seriously considered the possibility of plant or even animal life on the surface of Mars for more than a century. However negative results from NASA’s Viking spacecraft in the 1970s ruled out large-scale Martian life but this was not the end of the search for life on Mars. Read more…
“Is there life on Mars?” This must be one of the most-asked questions in astronomy. In this article I am going to look at the historical background to this question. Current thoughts on the possibilities of Martian life will be considered in a follow up article. Why is life Read more…
Don Pollacco, a research astronomer at Queens University Belfast, came to Armagh Planetarium to give a fascinating talk on exoplanets in January 2011. Afterwards Dr Pollaco kindly chatted to me about his experiences. CJ: Thanks for a really interesting talk. So why did you get into astronomy? DP: I was Read more…
Searching for life elsewhere in the Universe is a fascinating endeavour. It is is not a recent idea either. Astronomers in the 1800s used telescopes to search for signs of life and even civilization elsewhere in the Solar System. Some even believed they saw signs of intelligent life on Mars Read more…
Fifty years of SETI with radio telescopes has so far proved negative. We have found no messages of peace and goodwill, no galactic internet, no extraterrestrial propaganda or advertising. No starships full of aliens have arrived on Earth to befriend us or to eat us, while our galaxy seems Read more…