Astrobio.net

The methane habitable zone

In the search for life elsewhere, many studies focus on finding liquid water. But what if life could exist with some other solvent? Saturn’s smoggy moon Titan makes scientists question the possibilities ...

Nov 11, 2011 4.9 / 5 (16) 3 | with audio podcast

In search of virus fossils

Here's a theory for a comedian to consider: dinosaurs done-in by avian flu. Silly as that may be, we imagine that viruses have been infecting organisms since life first appeared on Earth, but this is mostly ...

Oct 19, 2011 5 / 5 (2) 0 | with audio podcast

Tracing the canals of Mars

In a remarkable discovery, images taken over the past five years by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter, which circles Mars to photograph ...

Oct 07, 2011 4.4 / 5 (7) 8 | with audio podcast

Living in the galactic danger zone

We know for certain that life exists in the Milky Way galaxy: that life is us. Scientists are continually looking to understand more about how life on our planet came to be and the conditions that must be ...

Sep 23, 2011 4.9 / 5 (8) 12 | with audio podcast