June 2021 was the 41st anniversary to the month of the publication of  the article ‘Extraterrestrial cause for the Cretaceous-Tertiary Extinction’ (main authors Louis and Walter Alvarez) in the Journal Science (1980) 208 (448) pages 1095-1108 which, in effect, proposed ...

The First Three Minutes and A Brief History of Time The theoretical physicist and Nobel laureate in physics Professor Steven Weinberg (3 May 1933 to 23 July 2021) has passed away. Just several hours before this writer learned of Weinberg’s ...

Can the theory, postulate or supposition that the asteroid/comet/bolide collision be classified as a scientific hypothesis?