Astrobio.net

Lichen on Mars

Humans cannot hope to survive life on Mars without plenty of protection from the surface radiation, freezing night temperatures and dust storms on the red planet. So they could be excused for marveling at ...

Jan 17, 2014 4.8 / 5 (52) 29 | with audio podcast

Did autocells lead to life?

The origin of life on Earth is still a hotly-debated topic. There are many different theories on how life was kick-started, as well as various experiments underway attempting to understand the processes involved. ...

Sep 25, 2013 4.8 / 5 (26) 37 | with audio podcast

When tectonics killed everything

A new paper reveals how the worst extinction in Earth's history may have been tied to the formation of Supercontinent Pangea. The catastrophe wasn't triggered by an impact from above—unlike another well-known ...

Nov 25, 2013 3.9 / 5 (29) 8 | with audio podcast

Beaming rockets into space

Space launches have evoked the same image for decades: bright orange flames exploding beneath a rocket as it lifts, hovers and takes off into the sky. But an alternative propulsion system proposed by some ...

Jan 21, 2011 4.8 / 5 (22) 49 | with audio podcast

Pluto's hidden ocean

When NASA's New Horizons cruises by Pluto in 2015, the images it captures could help astronomers determine if an ocean is hiding under the frigid surface, opening the door to new possibilities for liquid water ...

Nov 24, 2011 4.9 / 5 (17) 11 | with audio podcast

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