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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. mark for My Articles similar articles
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. mark for My Articles similar articles
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? mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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? mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
July 2004
Sara Pratt
Core Compositions Scientists are working to explain the differences in composition between Earth and Mars. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Scientific American
November 2007
Robert Zubrin
Don't Wreck the Mars Program Devoting all the funding to just one mission would be a mistake. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
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. mark for My Articles similar articles
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? mark for My Articles similar articles
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... mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles