Various media stories have popped up this week concerning a NASA Scientist who worked on the Viking Lander missions back in the 1970s. They report that he asserts that their life detection experiment designed to detect life on MARS was positive and that NASA has simply ignored those results. Examples of such stories include these … Read more Is there Life on MARS?
The possibility of life on MARS has just been given another uptick. Nothing certain is known. Instead what has happened is the publication of a new study within Nature Geoscience that independently confirms a previous observation regarding Methane. Methane – A Quick Timeline Back in 2013 the Curiosity rover detected a spike in methane. This was … Read more Possible Life on Mars
We know that Earth is 4.54 ± 0.05 billion years old. There are no rocks from Earth that old because the process of plate tectonics has recycled anything of that era, so the estimate for this age is based upon the probable age of the Solar System. Basically the assumption is that all the solid bodies in the … Read more When did life first appear on earth?
The Antarctic is of course glaciated and very very cold, that is well understood. What is new is the realisation that it is not all a barren lifeless landscape, but instead contains niches where life has potentially gained a foothold in a rather surprising way. Hidden under the ice are Geothermal ice caverns. This is because Antarctic … Read more Life In Warm Steamy Ice Caves Beneath Antarctica’s Glaciers
The quote of the moment is … ‘This data is gonna be one for the history books. It’s looking really good,’ said John Grotzinger, chief scientist in the Curiosity team, in an interview with NPR. Mr Grotzinger would not be drawn on what the discovery actually was. He told NPR that his team won’t be ready to … Read more There are hints that something amazing has just been discovered on Mars
Now this is simply fascinating to me, and hopefully to you as well. Venter, Eisen and colleagues report in the journal Public Library of Science One that they have analysed marine DNA and discovered genes that look quite different from any seen before. To clarify, the tree of life, as we know it was basically … Read more New branches on the tree of life