Habitability Requires the Right Kind of Star
August 19, 2017
This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe.
Christmas Star Remains Mysterious, But Something Real Happened
December 24, 2016
Theories rise and fall about the nature of the star that led the wise men to Bethlehem, but the fact remains: they saw something, and came on time to see Jesus.
SETI Mania Strikes Again
September 4, 2016
Another unexplained anomaly has SETI enthusiasts scrambling for their telescopes.
Rearranging Deck Chairs on Sinking Planet Theories
April 27, 2016
Supernovas come in handy as theory rescue devices.
Small Thing Make Big Boom
January 18, 2016
The most spectacular supernova ever detected has astrophysicists scratching their heads for a mechanism.
Entropy in Space Seen at All Scales
October 22, 2015
Entropy at all scales: clearly seen. Creation of order: not so much.
Hand of God Is Not Nebulous
January 13, 2014
An exploded star that resembles a giant hand provides opportunity to discuss theology and intelligent design.
Extrasolar Planets: Bigger and More Mortal
June 10, 2013
Many of the stars and planets found by the Kepler spacecraft are not earthlike. Also, astronomers have seen planets destroyed by their stars.