Astrobio.net

Reverence for the heavens

For some, the contemplation of the cosmos is a religious experience. Vatican astronomers say this can lead to profound insights about ourselves and the nature of the universe.

Jan 14, 2011 2.9 / 5 (15) 28

How old are the first planets?

To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...

Aug 31, 2012 4.8 / 5 (9) 10 | with audio podcast

Breaking Antarctica's ice

Over the course of the past decade, NASA spacecraft have identified several sites on Mars where conditions capable of supporting life existed in the past. One of the most promising of these sites, and a good ...

Nov 16, 2010 4.7 / 5 (9) 1 | with audio podcast

How abundant are Super-Earths?

Our solar system hosts a cornucopia of worlds, from the hellfire of Venus to the frozen plains of Mars to the mighty winds of Uranus. In that range, the Earth stands alone, with no planet coming close to ...

Dec 03, 2013 4 / 5 (10) 3 | with audio podcast