John S Lewis

Yesterday, 14 November 2018, the discovery of a possible large new impact crater on Earth was publicly announced.   The crater, on the nor...

In the summer of 1968 I received my PhD from the University of California, San Diego, and departed on a cross-country trek with my wife ...

  The Near-Earth Asteroid 3200 Phaethon has -- in addition to being the most frequently misspelled asteroid -- a number of odd traits th...

We have recently been bombarded by claims that there has been global warming on the Moon caused by the Apollo missions.   This is a quanti...

A number of patent claims made recently by a competitor are based on work that I published in the open literature many years ago.   The pa...