Ask an Astrobiologist
Is it possible there is life on other planets? Does NASA have any UFO problems? NASA astrobiologists answer your toughest questions.
The Origin of Titan's Methane
Research implies Titan's methane is a primordial chemical species that was accreted by the moon during its formation.
Could Life on Earth Have Come From Ceres?
The dwarf planet Ceres is rarely mentioned as a candidate for habitability, but the possible presence of an ocean and hydrothermal vents suggests it is plausible. Could it have seeded the young Earth?
Life Without the Sun
An ecosystem discovered 2.8 kilometers underground in South Africa two years ago has now been shown to comprise only a single species of microbe, existing on energy from radioactivity, completely independently of the Sun.
Life in Extreme Environments Educator Conference
Astrobiologists, planetary scientists and astronomers joined together for a presentation on the latest information on our expanding understanding of the abodes of life on our planet and the prospect of life beyond Earth.