Extraterrestrial intelligence and the Fermi paradox

The Milky Way contains 100 billion stars. So where is everybody? (The spacecraft shown in this artist’s impression is one of ours: it’s ESA’s Gaia space observatory.)Image credit: ESA/ATG medialab; background: ESO/S. Brunier One of the highlights of IAUS 367 is Nikos Prantzos, from the Institut d’Astrophysique de Paris, on “the quest for extraterrestrial intelligenceContinue reading “Extraterrestrial intelligence and the Fermi paradox”

Extending the Rare Earth hypothesis

I’ll be presenting “Solar eclipses: A pump of curiosity for early humans?” at the International Astronomical Union Symposium 367 next month. The symposium was originally scheduled to take place in San Carlos de Bariloche, Argentina, close to the path of totality for the 14 December solar eclipse. However, covid-19 restrictions mean it will now beContinue reading “Extending the Rare Earth hypothesis”