Where are all the galactic empires?
Two newly discovered galaxies with suspicious infrared signatures could potentially be playing host to Kardashev type III civilisations
The best books about SETI
What are the best books about the search for extraterrestrial intelligence?
Book review: The Next 500 Years – Engineering Life to Reach New Worlds
Reviewing The Next 500 Years, in which Christopher Mason provides a glimpse into a possible future that hinges on genetic engineering.
Have we detected a SETI signal coming from Proxima Centauri?
Could a mysterious radio signal from the nearest star to the Sun be evidence for alien life? Possibly – but probably not.
Red herrings in the search for extraterrestrial life?
Are planets orbiting red dwarf stars the abodes for life that we hope they are? New research suggests that we shouldn’t visit without a radiation suit.
Making contact in the Transit Zone
If two civilisations can detect the transits of each other’s planets, will that increase the likelihood that they’ll communicate?
What did plate tectonics ever do for us?
What role do plate tectonics play in making planets habitable?
The numbers game
New research claims that are at least 36 communicating species in the Galaxy, but do the numbers add up?
False hope: what SETI can learn from false alarms
SETI has had many false alarms throughout its history, but when they occur they can be a benefit to our search for ET.
The thing about black holes
The discovery of the closest-known black hole to the Solar System has implications for astrophysics, cosmology and SETI.
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21st Century SETI 