Did clay mould life's origins?
(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.
Was life inevitable? New paper pieces together metabolism's beginnings
(Phys.org)—Describing how living organisms emerged from Earth's abiotic chemistry has remained a conundrum for scientists, in part because any credible explanation for such a complex process must draw from fields spanning ...
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 ...
Deep-sea rocks point to early oxygen on Earth
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.
NASA releases picture of Mercury's surface (Update)
NASA on Tuesday released the first picture taken of Mercury's surface by the US space agency's orbiting Messenger craft.
Cold case: Siberian hot springs reveal ancient ecology (w/ video)
(PhysOrg.com) -- Exotic bacteria that do not rely on oxygen may have played an important role in determining the composition of Earth's early atmosphere, according to a theory that UChicago researcher Albert ...
Study reveals ancient rocks linked to old Earth's crust
(PhysOrg.com) -- A new geological study which took place in the Pilbara region of Western Australia brings us one step closer to understanding more precisely the timing of when the primordial earth crust was ...
Analysis of Marcellus flowback finds high levels of ancient brines
Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium. The chemistry ...
Termites and ants stockpile gold in their mounds, researchers find
(Phys.org)—Australia's smallest and most numerous mining prospectors can show us where new gold deposits are.
Fresh insight into the origins of Planet Earth
For the first time, an international team of researchers has incorporated extensive geochemical data on the formation of Earth into a model - with surprising results: more models can be used for the process ...
Six-legged miners strike gold
Termites and ants are stockpiling gold in their mounds, new CSIRO research has found.
Unique Uranium Source in Naturally Bioreduced Sediment
(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding ...
Argonne scientists seek natural remediation for uranium-rich sites
While most of us are focused on life above ground, scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are trying to understand the drama unfolding beneath our feet.
New research identifies prime source of ocean methane
Up to 4 percent of the methane on Earth comes from the ocean's oxygen-rich waters, but scientists have been unable to identify the source of this potent greenhouse gas. Now researchers report that they have ...