Astrobio.net

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

The public debate on climate change

Even after years of scientific research that points to how human activity is causing climate change, pundits, policymakers and the general public are still debating the issue.

Oct 17, 2011 3 / 5 (11) 142

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

The climate change debate: Man versus nature

The public discussion on climate change has become so polarized that some scientists don’t even acknowledge there is a debate. Climate scientist at NASA’s Goddard Institute for Space Studies, Gavin ...

Oct 03, 2011 2.8 / 5 (9) 40

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