Salt of the Earth Regulates Habitability
A planet needs more than location in a habitable zone. It needs the right ingredients, and salt has a surprising role.
Intelligent Design and Planetary Timing
Enceladus is an especially fascinating case. Nearly 100 geysers of water ice are currently jetting out of its south pole at supersonic speed.
Methane Causes Space Aliens?
Recent sensational headlines give astute readers occasion to contrast valid scientific inferences from leaps of faith based on worldview assumptions.
From Cosmos: Possible Worlds — “Most Plausible” Creation Myths
Dr. Tyson’s imagination wanders from Enceladus, a moon of Saturn, to the Cambrian explosion.
New Cosmos Episodes: Only Part of the Story
These episodes will slip in smoothly in public school science classrooms, someday when all the schools reopen.