Astrobio.net

Life's first taste of phosphorus

Despite its impressive biological resume, phosphorus is relatively inaccessible as elements go. To understand how phosphorus obtained its prominent role, scientists are modeling the early geochemical environment ...

Aug 23, 2012 5 / 5 (4) 1 | with audio podcast

The 'habitable edge' of exomoons

Astronomers have their fingers crossed that within the haul of data collected by NASA's Kepler mission, which has already detected nearly three thousand possible exoplanets, hide the signatures of the very ...

Mar 05, 2013 5 / 5 (4) 1 | with audio podcast

A wet Moon

The Moon's status as a "dry" rock in space has long been questioned. Competing theories abound as to the source of the H20 in the lunar soil, including delivery of water to the Moon by comets.

Mar 26, 2014 5 / 5 (4) 1

Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and ...

Mar 31, 2011 3.8 / 5 (5) 1 | with audio podcast

A salt-free primordial soup?

Most scientists who study the origin of life assume that it occurred in the ocean. But a minority view is that ions in seawater may interfere with prebiotic chemistry, making a freshwater environment more ...

Jan 19, 2012 3.4 / 5 (5) 0 | with audio podcast