How do microbes survive in freezing conditions?

Most microbial researchers grow their cells in petri-dishes to study how they respond to stress and damaging conditions. But, with the support of funding from NASA, researchers in LSU’s Department of Biological Sciences tried something almost unheard of: studying microbial survival in ice to understand how microorganisms could survive in ancient permafrost, or perhaps even buried in ice on Mars.

Comet Lovejoy survives close encounter with the sun

To the surprise and delight of astronomers, a comet discovered just two weeks ago as it hurtled towards the sun has skimmed the star and re-emerged the other side.