Hunting for High Life: What Lives in Earth’s Stratosphere?

by Jason Major November 15, 2012

The Moon photographed through the layers of the atmosphere from the ISS in December 2003 (NASA/JSC) What lives at the edge of space? Other than high-flying jet aircraft pilots (and the occasional daredevil skydiver) you wouldn’t expect to find many living things over 10 kilometers up — yet this is exactly where one NASA researcher […]

7 comments Read the full article →

When Everything On Earth Died

by Jason Major June 2, 2012

Hey, remember that one time when 90% of all life on Earth got wiped out? I don’t either. But it’s a good thing it happened because otherwise none of us would be here to… not remember it. Still, the end-Permian Extinction — a.k.a. the Great Dying — was very much a real crisis for life on […]

113 comments Read the full article →

Is Earth Alive? Scientists Seek Sulfur For An Answer

by Jason Major May 16, 2012

Researchers at the University of Maryland have discovered a way to identify and track sulfuric compounds in Earth’s marine environment, opening a path to either refute or support a decades-old hypothesis that our planet can be compared to a singular, self-regulating, living organism — a.k.a. the Gaia theory. Jason Major on Google+

64 comments Read the full article →

Is This Proof of Life on Mars?

by Jason Major April 12, 2012

The Curiosity rover is currently on its way to Mars, scheduled to make a dramatic landing within Gale Crater in mid-August and begin its hunt for the geologic signatures of a watery, life-friendly past. Solid evidence that large volumes of water existed on Mars at some point would be a major step forward in the […]

35 comments Read the full article →

Replication of Arsenic Life Experiment Not Successful So Far

by Nancy Atkinson August 10, 2011

One of the most vocal and ardent critics of the so-called ‘arsenic life’ experiment which was published in December 2010 was biologist Rosie Redfield from the University of British Columbia in Vancouver. The science paper by NASA astrobiologist Felisa Wolfe-Simon and her team reported that a type of bacteria in Mono Lake in California can […]

4 comments Read the full article →