Just up at Colliding Universes

Origin of life: Current efforts to create life, or else find alternative life

Guillermo Gonzalez on mutual eclipse seasons in three planets during the International Year of Astronomy

Best-observed solar eclipse in human history?

Origin of life: Quantum mechanics provided the OOMPH!!?

Gravity doesn't make sense? Hold that thought!

Colliding Universes is my blog on competing theories about our universe. You can search it via the Search Blog box at the top left, beside the "B" logo.

(Note: If you follow me at Twitter, you will get regular notice of new Colliding Universes posts, usually when I have posted five or so stories.)