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Geotimes July 2004 Sara Pratt	Core Compositions Scientists are working to explain the differences in composition between Earth and Mars.
Chemistry World April 23, 2014 Tim Wogan	New solution to missing xenon paradox A new answer to where Earth's missing xenon has gone -- the planet's atmosphere contains less than 10% of the gas anticipated -- has been put forward.
Geotimes August 2007 Carolyn Gramling	Earth's Core is Solid, After All Seismic waves passing through Earth's center have long puzzled researchers, as some waves travel fast enough to indicate that Earth's inner core is solid iron-nickel crystals, but they do not travel quite as quickly as scientists would expect, based on studies of stiff iron alloys.
Geotimes May 2003 Lisa M. Pinsker	Molten martian core The more researchers study Mars, the more similarities they seem to find between the Red Planet and Earth. The latest parallels come from the planet's enigmatic interior.
Chemistry World May 27, 2014 Robert Newton	Oxygen: a four billion year history Donald Canfield delivers his explanations with a deft hand, bringing us the evidence for oxygen's history on the Earth's surface.
Chemistry World November 3, 2014 Tim Wogan	Earth ripe for life soon after formation There has been water on Earth since shortly after it formed, say researchers from the US, who compared the deuterium to hydrogen ratios in water on Earth and from the Vesta asteroid belt.
Chemistry World April 9, 2009 Lewis Brindley	'Nickel famine' caused ancient oxygen rise A crucial increase in atmospheric oxygen that occurred around 2.4 billion years ago could have been triggered by a shortage of nickel in the oceans, according to Canadian researchers.
Geotimes June 2005 Naomi Lubick	Double-Crossing the Core A team of scientists has taken the properties of a mineral from the Earth's lower mantle, together with seismic observations of the core-mantle boundary, to propose a new model that could elucidate the heat engine that drives Earth.
Chemistry World April 16, 2015 Tim Wogan	Early Earth collision could clear up two geological mysteries Two seemingly unconnected geology problems -- the unexpected ratio of two neodymium isotopes in terrestrial rocks and the energy source for the dynamo that creates Earth's magnetic field -- could be solved by a new theory.
Chemistry World May 25, 2011 Simon Hadlington	Mars is the planet that never grew up Scientists in the US have analysed isotopes in meteorites that resemble Martian geology and have discovered that the planet stopped growing while its solar system siblings carried on developing.
Chemistry World April 6, 2011 Mike Brown	Mars chemistry reveals how red planet cooled The chemistry of volcanic rock on Mars offers a picture of the thermal history of the planet, according to scientists in France. The findings could provide a reference point for the evolution of other planets, they say.
Geotimes July 2003 Lisa M. Pinsker	Challenging core ideas Earth's core has never been so popular -- first plastered over billboards to advertise the recent movie The Core, and now in press worldwide discussing David Stevenson's "modest proposal" to send a grapefruit-sized probe thousands of kilometers into the planet's mysterious core.
Geotimes July 2007 Carolyn Gramling	X-ray Eyes in the Sky Scientists are working on the next generation of low-orbiting satellites that they hope will see far past the Earth's surface and into its interior, to better understand the structure and composition of Earth's crust, mantle and core.
Chemistry World November 10, 2010 Mike Brown	Sulfur story unearths oxygen environment Earth's atmosphere could have supported complex life 400 million years earlier than thought, according to sulfur isotope signatures found in some of the oldest rocks on Earth.
Geotimes November 2006 Carolyn Gramling	Airing Out an Early Atmosphere Scientists have generally thought that oxygen was scarce in Earth's atmosphere until about 2.4 billion years ago. Now a study based on new evidence suggests that oxygen may actually have been around longer than previously thought.
Chemistry World May 9, 2013 James Urquhart	Greener, cleaner steel US researchers have developed a greener way to produce metals such as steel. Their process could cut greenhouse gas emissions while using earth abundant and affordable metals.
Chemistry World July 21, 2010 James Urquhart	Volatile elements locked in moon rock Samples of a mineral present on the Moon and on Earth have been found to contain almost the same concentrations of hydrogen, chlorine and sulfur, adding weight to questions over how the Moon formed and evolved.
Chemistry World July 13, 2012 Simon Hadlington	Where did Earth's water come from? One big question that remains unanswered about the evolution of the early Earth is how volatiles such as hydrogen, nitrogen and carbon arrived -- their presence being crucial to the origins of water and life.
Geotimes November 2005 Sara Pratt	Super-Rotation for Earth's Core A new earthquake study supports the 1996 finding that Earth's inner core is spinning faster than the planet's mantle and crust -- at a rate detectable on human timescales, but about one-third of the rate first suggested.
Geotimes January 2007 Nicole Branan	Heat Flow Causes Magnetic Reversals Earth's magnetic field has done hundreds of somersaults over the last few billion years. A new study sheds some light on what causes the geomagnetic field to flip.
Technology Research News August 25, 2004	Method Makes Stronger Steel Researchers have found a way to cast relatively large structures from a type of steel whose atomic structure is amorphous, like glass, rather than the usual orderly crystalline structure of metal.
Chemistry World March 13, 2014 Emma Stoye	Piece of Earth's interior 'ocean' found in diamond A tiny crystal found in a diamond has confirmed predictions about a giant store of water deep in the Earth's mantle.
Chemistry World March 15, 2009 Lewis Brindley	Age of Photosynthesis Questioned Photosynthesis could have been flourishing on Earth nearly a billion years earlier than previously thought, according to a study by American geochemists.
Chemistry World April 14, 2015 Anthony King	Chemicals formed on meteorites may have started life on Earth The molecules that kick-started life on primordial Earth could have been made in space and delivered by meteorites, according to researchers in Italy.
Chemistry World July 3, 2015 Ida Emilie Steinmark	Iron found in ancient rock is recycled from bacteria Isotopic analysis suggests that some of the iron within rock formations was processed by bacteria 2.5 billion years ago
Delicious Living September 2005 Heather Jones	Should I Take an Iron-Free Multivitamin? Iron deficiency is rare among men and postmenopausal women, and too much iron can cause iron overload (hemochromatosis).
IEEE Spectrum August 2006 Stephen Cass	Summer Reading Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines Below the Earth's Surface by David Standish... Kids to Space: A Space Traveler's Guide by Lonnie Jones Schorer... etc.
Smithsonian December 2006 Cate Lineberry	Diamonds Unearthed In the first installment of a multi-part series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, explains how the rare crystals form.
Chemistry World October 2, 2014 Tim Wogan	Photosynthesis-free route to oxygen gives early Earth atmosphere clues A direct mechanism for producing oxygen from carbon dioxide using far ultraviolet radiation has been experimentally demonstrated by researchers in the US, confirming a 14-year-old theoretical prediction.
Chemistry World October 11, 2012 Andy Extance	Perovskite posits answer to xenon riddle If meteorites and the Earth were formed from similar materials at the same time, where did the xenon go? Some scientists think that the answer could be found in xenon trapped in the Earth's iron core, or in ice, water or rocks near the surface.
Chemistry World August 25, 2011 Simon Hadlington	Meteorites Are a Chip Off the Old Asteroid Block New findings confirm that the most common type of meteorite found on Earth derive from so-called stony or S-type asteroids.
Geotimes May 2007 Kathryn Hansen	Deep Earth May Hold an Ocean Earth's deep interior, more than 1,000 kilometers below the surface in the mantle, could prove to be a watery place. That's the conclusion researchers drew from an anomaly uncovered by the first global map of Earth's lower mantle, using a new type of seismic analysis.
Salon.com June 29, 2001 Suzy Hansen	We've got company Astronomer David Darling talks about the controversial science of astrobiology and the near-certainty that extraterrestrial life forms exist in our solar system...
Geotimes April 2004 Sara Pratt	Iron Bullets Physicists from Livermore, California have experimentally determined the melting point of iron in the Earth's core.
Chemistry World July 30, 2009 James Urquhart	Water linked to mantle oxidation US scientists have used an emerging technique to analyse minuscule samples of magma derived from the Earth's mantle in different tectonic environments and discovered a direct link between water content and the oxidation state of iron within the sample.
Science News September 20, 2003	More Mars -- Better than Ever On Aug. 27, Mars and Earth were closer to each other than at any other time in the last 50,000 years. Even as Earth and Mars slowly draw apart, the Red Planet remains a dazzling sight in the night sky. There's still time to take in the view.
Chemistry World February 27, 2014 Simon Hadlington	Quantum tunnelling sparks chemistry on cold surfaces Chemistry in deep space could be more diverse than thought after the discovery that larger atoms can quantum tunnel.
Reactive Reports October 2007 David Bradley	The Venusian Greenhouse A rare form of carbon dioxide in which one oxygen atom contains ten neutrons instead of the usual eight could be to blame for the searing greenhouse effect on the planet Venus.
Geotimes November 2004 Naomi Lubick	Genesis Crashes with Pieces of the Sun The world watched last September as the spacecraft Genesis, launched in 1998, returned to Earth with a crash-landing on Utah's desert floor.
Geotimes October 2005 Naomi Lubick	Moon Soil, Earth Air? Apollo astronauts brought back samples of soil from the moon that contained unexpectedly high levels of nitrogen. New research is shedding light on the anomaly.
Science News March 17, 2001	TimeLine: March 14, 1931 70 Years Ago in Science News: New Welded Pipe Line Carries Water to San Diego... Age of Earth Determined as Over 2,000,000,000 Years... Moon Lacks Oxygen, Its Light Proves...
Chemistry World September 13, 2006 Simon Hadlington	Red Oxygen Structure Revealed An international team of researchers has cracked a conundrum that has baffled scientists for years: they have elucidated the crystalline structure of an enigmatic phase of solid oxygen that arises when the molecule is subjected to high pressure.
Science News June 10, 2006	Timeline: From the June 6, 1936, Issue First Adventure of Young Robins Pictured... Chance in Million Another Planet Will Damage Earth... Large Models of Molecules Predict Chemical Facts...
Chemistry World December 12, 2007 Simon Hadlington	Iron Oxide Succumbs to the Gentle Touch Chemists in Japan and France have produced a new iron oxide with a sheet-like structure that could be used in fuel cells and sensors.
Reactive Reports Issue 37 David Bradley	X-rays Reveal PSII Secret The possibility of using solar energy and water as a cheap source of hydrogen and oxygen is a step closer thanks to British researchers who discovered how the photosynthetic centre in a cyanobacterium works.
Chemistry World December 4, 2013 James Urquhart	Diamonds' redox reaction origins revealed Subduction zones -- boundaries between tectonic plates where the Earth's crust sinks into the hot mantle -- could be breeding grounds for diamond formation, according to Russian researchers.
Chemistry World June 26, 2015 Osman Mohamed	Single catalyst simplifies water splitting Scientists in Switzerland have shown that a nickel catalyst, capable of hydrogen evolution, can also stably generate oxygen at low overpotentials in alkaline solution.
Scientific American September 2008 David Appell	The Sun Will Eventually Engulf Earth--Maybe Researchers debate whether Earth will be swallowed by the sun as it expands into a red giant billions of years from now
Popular Mechanics November 3, 2008 Andrew Moseman	How Geoengineering Works: 5 Big Plans to Stop Global Warming Some scientists believe that now is the time to research such proposals so that in 10 or 20 years, should governments fail to act, scientists have them at the ready.
Geotimes October 2003 Naomi Lubick	Observing Earth The Earth Observation Summit held this summer inaugurated a collaborative research effort by more than 30 nations to do just that: observe Earth in order to study its global climate and how it changes, while learning more about how the planet's ocean, air and land systems interact.