Neutrino Hunting in Antarctica

 In October (2024), I wrote about the very high energy neutrino event found by the KM3NeT Collaboration, which is building a neutrino telesc...

  A closely related question to whether we live in a special (high or low density) place in the universe is whether the u...

Up close, the universe is very inhomogeneous.  There is the odd very-dense star or planet, but most of it is mostly empty space - vacuum.   ...

  Although IceCube is still the largest neutrino telescope around, it is not the only game in town.   The KM3NeT ARCA telescope is now larg...

   SETI - the search for extra-terrestrial intelligence and exobiology - the search for extra-terrestrial life are two of the most interest...

Citizen-scientists have a long history; amateur astronomers have made many important discoveries, and, although opinions are mixed  amateur ...

 Recently, the Telescope Array (TA) Collaboration reported on the observation of a cosmic ray with enormous energy: 244 exa-electron volts (...