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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 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. |
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? |
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. |
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 January 23, 2012 Steve Down |
Asteroid Ages United by New Isotope Standard Meteorites derived from hydrous asteroids suggest that these space bodies formed later than other asteroids. |
Geotimes June 2007 Kathryn Hansen |
So, When Did Earth Become Attractive? Ever since Earth's protective field was discovered in 1958, scientists have been wondering when did the planet grow up and become attractive? |
Geotimes October 2003 Naomi Lubick |
Water clues from martian carbonates For the first time, scientists have convincingly detected small yet possibly widespread amounts of carbonate minerals in the dust on Mars' surface. The findings provide new hints about water on Mars, as well as the history of the planet's atmosphere. |
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. |
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 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. |
Geotimes July 2004 Sara Pratt |
Core Compositions Scientists are working to explain the differences in composition between Earth and Mars. |
Popular Mechanics December 3, 2008 Glenn Harlan Reynolds |
Why I Hope There's No Life on Mars If Mars is lifeless, that will make exploring -- and later settling -- the planet much easier. |
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. |
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. |
Geotimes February 2007 Kathryn Hansen |
Water Responsible for Martian Landscape? The remnants of a recent debris flow turned up in photos of a gully on Mars. Some researchers speculate the flow could imply the presence of water, while others think it resulted from a dry, granular flow. |
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. |
Geotimes July 2007 Kathryn Hansen |
Mars Had Explosive, Watery Past NASA's Mars rover Spirit hit a grand slam this spring when it rolled across Home Plate, a plateau feature on Mars that revealed clues supporting an explosive past for the planet. |
Chemistry World November 9, 2012 Laura Howes |
No methane on Mars, says Curiosity The idea that there was life on Mars has been dealt a blow after analysis of the planet's atmosphere found little to no methane. |
Chemistry World August 21, 2009 Matt Wilkinson |
Aluminium helps date solar system New evidence has been found that supports the use of the radioactive aluminium isotope as a way of precisely dating objects formed during the first few million years of the solar system. |
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. |
Popular Mechanics August 5, 2008 Joe Pappalardo |
NASA, Scientists Not Ready to Give Up on Martian Life Despite today's findings of toxic perchlorate in Martian soil, NASA is not ready to write off life on Mars. Leading space scientists point to earthbound extremeophiles that process the substance. |
IEEE Spectrum August 2007 Barry E. DiGregorio |
China Reaches For the Red Planet A joint project with Russia anticipates retrieving soil from the Martian moon Phobos. |
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. |
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. |
IEEE Spectrum January 2008 Barry E. DiGregorio |
No Asteroid Impact on Mars After All The expected asteroid impact would have let scientists study crater formation and underlying Martian geology. |
Scientific American May 8, 2006 Graham P. Collins |
Chaos in the Crater Welcome to the Vredefort Crater, a real Bermuda Triangle about 100 kilometers southwest of Johannesburg. It is the oldest and largest impact remnant on the planet, created by an asteroid about two billion years ago. |
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. |
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. |
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 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 November 2004 Jay Chapman |
Impacting the Origin of Life Impact events and meteorite strikes are often associated with mass extinctions and widespread devastation. But, despite this destructive reputation, impact events may have played a role in the evolution of life, according to several new studies. |
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. |
Wired December 2004 Kim Stanley Robinson |
Taming the Red Planet Terraforming Mars - grafting an Earth-like atmosphere and ecology onto that rocky and poisonous planet - remains a great idea that is likely to become one of the supreme engineering projects of humankind. |
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 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. |
Geotimes December 2006 Sally Adee |
Meteorite Pre-Dates Solar System A team of NASA researchers recently reported finding organic material in Tagish Lake meteorite fragments that pre-dates the solar system. |
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. |
Geotimes May 2005 Naomi Lubick |
Lots of Water on Mars New mineralogical data and pictures of landforms on Mars show that Earth's rocky neighbor once had a lot of water -- but various interpretations of the data differ on when and where that water may have been. |
Popular Mechanics October 15, 2008 Andrew Moseman |
As Phoenix Mission Ends, Project Leaders Chart Mars Future The Phoenix is now racing against time to complete more of its groundbreaking research before the harsh martian winter brings its death, said the project's science leader, Peter Smith of the University of Arizona. |
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... |
Scientific American December 19, 2005 George Musser |
Martian Claymation An ancient, watery Mars was not always an acid bath -- water-related clay minerals show up in the Nili Fossae/Syrtis Major region on the planet. |
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? |
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... |
Fast Company Neal Ungerleider |
NASA: "There Is Liquid Water Today On The Surface Of Mars" This is huge news for space agencies worldwide, and could make it easier to look for signs of life on the red 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. |
Geotimes May 2005 Megan Sever |
Meteor Crater's Slow Impact New findings suggest that rather than one large meteorite striking the ground at a high velocity, a lower velocity, pancake-shaped swarm of meteorite pieces -- formed from the explosion a larger meteorite -- likely carved out Meteor Crater. |
Chemistry World September 28, 2015 Matthew Gunther |
Flowing salty brine found on Mars Scientists in the US have discovered the presence of salty brine in a network of streaks that grow and fade with the seasons on the hilly terrain of Mars. |
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 January 2004 Naomi Lubick |
Mars geologist in action After a successful landing close to midnight EST last Saturday, the Mars exploration rover Spirit has been sending back information to its human tenders, in Pasadena, Calif. |