Subsurface oceans everywhere and the possible pervasiveness of life

Well, it now looks like Ganymede, one of Jupiter's moons, has a subsurface ocean. Ganymede's great distinction among moons - apart from its size - is that it has its own magnetic field. Hubble has managed to track that field's behaviour by watching how it draws in and excites space particles, generating a glow of … Continue reading Subsurface oceans everywhere and the possible pervasiveness of life

It’s time to look for life in Europa’s ocean

Lee Billings has a fascinating article up at Aeon asking why we continue to send missions to Mars when the best chance of life existing today is in Europa's underground ocean. If Europa is alive, if some biology dwells within those dark waters, the implications would be even more staggering than finding life on Mars. … Continue reading It’s time to look for life in Europa’s ocean