NASA Verdict: Most Exoplanets Are Not Habitable
October 23, 2018
Superflares from the majority of stars would likely sterilize any planet in its "habitable zone."
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.
Doomed Worlds: Planets Seen Disrupting, Not Forming
May 23, 2012
Much as astrobiologists would like to see the birth of a new planet, the ones we observe seem to be dying, not being born.