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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 May 13, 2014 Tim Wogan	Chemistry calculations reveal Earth's inner core Theoretical calculations have confirmed that the Earth's core contains a significant proportion of oxygen.
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.
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.
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 November 22, 2012 Jon Cartwright	Magnesium oxide might be liquid in super-Earths There may be more planets outside our solar system with protective magnetic fields than previously thought. That's the implication of a US study, which has demonstrated that the common planetary mineral magnesium oxide turns into a metallic liquid at high pressure.
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.
Geotimes April 2004 Sara Pratt	Iron Bullets Physicists from Livermore, California have experimentally determined the melting point of iron in the Earth's core.
Geotimes August 2007 Carolyn Gramling	More on Mars The last few months have held many new discoveries on Mars, including new images of the planet's landslides, caves and polar geysers from the Mars rover, which are giving scientists a closer look at the red planet than ever before.
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.
Smithsonian May 2005 Carl Zimmer	Life on Mars? It's hard enough to identify fossilized microbes on Earth. How would we ever recognize them on Mars?
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.
Chemistry World September 30, 2011 Jon Cartwright	Messenger Sheds Light on Mercury's Formation NASA's Messenger spacecraft is bringing new understanding to the question of how Mercury formed. The new information looks set to rewrite theories about the birth of the solar system's smallest planet.
Chemistry World April 15, 2010 Lewis Brindley	Mars meteor gets a boost of youth A Martian meteorite that has played a pivotal role in our understanding of the Solar System has been found to be half a billion years younger than previously thought, say US researchers.
Geotimes July 2006 Carolyn Gramling	Earth Soaks up Seawater Geologists have long thought that seawater does not travel very far through Earth's interior A new geochemical study, however, is challenging that notion, saying that traces of seawater exist deep inside the planet.
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.
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 December 17, 2007 Simon Hadlington	Blow to Hopes for Life on Mars Organic molecules found on rocks from Mars may not be the remnants of ancient Martian microbes after all.
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.
Geotimes March 2006 Kathryn Hansen	Young Planets Collide Size mattered, astronomers say, when it came to whether or not material in our early solar system stuck together to become today's terrestrial planets. New models suggest that collisions between large objects did not always result in those objects combining, as previously thought.
Chemistry World October 16, 2012 Simon Hadlington	Cheers as Mars x-ray spectrometer delivers rock data Space scientists are celebrating the arrival of the first set of data from the Mars Curiosity Rover's alpha-particle x-ray spectrometer -- APXS -- which has analyzed the chemical composition of a small triangular wedge of rock on the surface of the planet.
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 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.
IEEE Spectrum April 2008 John Boyd	Electromagnetic Link Deep in the Earth Varies the Length of the Day Scientists find that 2600 kilometers down, the Earth is electrically conductive. The mineral responsible could point the way to new superconductors.
Chemistry World July 3, 2015	Getting the measure of Mars Sophisticated analytical chemistry is studying the history -- and habitability -- of our neighboring planet, as Andy Extance discovers.
T.H.E. Journal April 2005	JASON Expedition: Mysteries of Earth and Mars This program challenges students and teachers in grades 5-8 to learn about Earth and Mars by investigating comparisons between the two planets.
IEEE Spectrum November 2007 Saswato R. Das	Terraforming Mars The renewed focus on Mars has rejuvenated the idea of terraforming Mars, which once belonged to the realm of science fiction, but is becoming increasingly possible today.
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 July 2007 Carolyn Gramling	Mercury's Gooey Center Mercury, the closest planet to the sun, has a large core, which scientists now know is partially molten and therefore could create a magnetic field around the planet.
Chemistry World December 19, 2008 Lewis Brindley	Carbonates Confirmed on Mars New snapshots of Mars appear to show large outcrops of carbonate-bearing rocks, indicating that regions of the Red Planet could once have been an ideal environment for life to thrive.
Geotimes January 2004 Sara Pratt	Green minerals on the Red Planet Contrary to the prevailing idea that Mars once sustained a warm, wet climate similar to Earth's, new evidence shows that the planet may have been dry and cold for much of its history.
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
Geotimes December 2005 Kathryn Hansen	No Lake on Mars? A group of geologists is contesting the idea that the landing location of the Mars rover Opportunity is the site of an evaporated lake, a debate that will not dry up anytime soon.
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.
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.
Geotimes December 2004 Naomi Lubick	Evidence for Water on Mars Flows Scientists have further confirmed the presence of water on Mars, almost a year after the Mars Exploration Rovers landed on the fourth rocky planet from the sun. And exploration continues to see further signs of water on Mars, from the ground to the sky.
Scientific American November 2005 David Grinspoon	Making Tracks on Mars Book Reviews: Roving Mars: Spirit, Opportunity, and the Exploration of the Red Planet by Steve Squyres... Dying Planet: Mars in Science and the Imagination by Robert Markley...
Smithsonian July 2007 Eric Jaffe	Life Beyond Earth An ocean on Mars. An Earth-like planet light years away. The evidence is mounting, but are astronomers ready to say we're not alone?
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.
Geotimes February 2006 Kathryn Hansen	No Lake on Mars? NASA's Mars Exploration Rover team says that the presence of standing water in Mars' geologic past can account for the geologic features and chemistry found in some places there. A group of geologists, however, is now challenging that idea.
Scientific American November 2007 Robert Zubrin	Don't Wreck the Mars Program Devoting all the funding to just one mission would be a mistake.
Geotimes October 2004 Naomi Lubick	Traveling on Mars Over the past nine months, Mars' twin rovers have delivered amazing photographs and data to Earth, and now the first published science findings have appeared.
Popular Mechanics December 16, 2008 Matthew Hutson	5 Projects Ask if Life on Earth Began as Alien Life in Space For years, scientists have considered the possibility of exogenesis, the idea that life arrived on Earth from another planet, and not just the building blocks of life, but organisms that were ready to rock and roll when they arrived.
Chemistry World May 28, 2014 Ian Randall	Earth's earliest continent formed like Iceland The Earth's first continents may have formed in a geological setting similar to modern-day Iceland, according to the geochemical analysis of a newly discovered rock unit from Canada.
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.
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.
Geotimes May 2003	Martian Field Trips on Earth Many researchers look to Earth for examples of or contrasts to what we're seeing of the Red Planet.
Chemistry World July 10, 2009 James Urquhart	Wider menu for methane-eating microbes Marine dwelling microbes that consume methane for energy and produce carbon dioxide may do so by using a larger array of oxidants than previously thought. This may offer insight into the possibility of extraterrestrial life on methane rich bodies like Mars.
Popular Mechanics September 2006	Scientists Are Finding Life In Earth's Coldest, Hottest, Weirdest Places By creating an alternative life chemistry in the lab, astrobiologist Steven Benner hopes to uncover a formula for alien microbes. How five big questions about life on our planet are shaping the search for it on other worlds.
Wired July 2001 Tom McNichol	The New Red Menace Robert Zubrin has a grand plan to turn the fourth planet into humanity's new frontier - within the next 10 years! Welcome to hell on, um, Mars...