News tagged with magnetite grains

Mars meteorite controversy continues

The most illustrious meteorite in history continues to inspire heated debate. Does it carry microbial fossils from Mars or are its strange features just the product of some unique geochemistry? After almost ...

dateOct 22, 2010 in Space Exploration
shares0 comments 6

Search results for magnetite grains

Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
shares2584 comments 27

Skeletons in the pre-Cambrian closet

The Cambrian explosion marked a major blossoming in the tree of life around 540 million years ago. Nearly all of the major phyla in the animal kingdom appeared in a sudden burst of evolution. One of the drivers ...

dateJan 07, 2011 in Archaeology & Fossils
shares0 comments 3

It's a grind to make Mars red

(PhysOrg.com) -- The widespread idea that Mars is red due to rocks being rusted by the water that once flooded the red planet may be wrong. Recent laboratory studies show that the red dust may be formed by ...

dateSep 18, 2009 in Space Exploration
shares0 comments 2

NASA's Twin Mars Rovers Continue Exploration

NASA's Spirit rover found a new class of water-affected rock, while its twin, Opportunity, finished inspecting its own heat shield and set a new martian driving record. The rovers successfully completed their three-month ...

dateFeb 15, 2005 in
shares0 comments 0

List of search results for magnetite grains