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Smithsonian October 2006 Robert Irion	The Planet Hunters Never mind the demotion of Pluto to a dwarf planet. Astronomers have found about 200 planets orbiting other stars, and they say it's only a matter of time before they discover another Earth.
Popular Mechanics October 28, 2009 Karen Rowan	9 Wildest Exoplanets Ever Spotted A team of European planet hunters has uncovered a bonanza of 32 new exoplanets, planets outside our solar system.
IEEE Spectrum March 2007 Mark Anderson	Planet Hunters Wanted The rate of extrasolar planet discoveries could mount not by building new planet-finding telescopes or satellites, but by marshalling an army of amateur astronomers and enthusiasts along with their personal computers.
AskMen.com	Earth-Like Planet Found Astronomers have finally found a place outside our solar system where there's a firm place to stand -- if only it weren't so broiling hot.
Geotimes September 2005 Kathryn Hansen	Tristar Planet A recent planet found in a triple-star system perplexes astronomers because, according to current models of planetary formation, it should not exist.
Popular Mechanics March 6, 2009 Mark Wolverton	Can KEPLER Help Us Find Earth's Twin? With the latest universe-gazing technology, KEPLER (along with Hubble and the most advanced ground-based telescopes) will give extrasolar planet hunters a boost in the search for Earth-like planets.
Scientific American November 7, 2005 Mark Alpert	Red Star Rising Small, cool stars may be hot spots for life
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...
Wired November 2002 Richard Martin	The Planet Seekers Giant ground-based telescopes and adaptive optics have brought a new age in astronomy. Now the field's brightest stars are racing to take the first photograph of another world.
Science News November 21, 2008 Alan Stern	Debates Over Definition Of Planet Continue And Inspire The definition of a planet continues to be debated between astronomers and planetary scientists.
Popular Mechanics January 7, 2010 Adam Hadhazy	Kepler's Hunt for Earths Shows Progress at Space Conference Scientists for NASA's exoplanet-hunting Kepler mission report that the orbiting space telescope has nabbed five new worlds, the first several of many that astronomers hope it will eventually discover.
Science News March 22, 1930	TimeLine: Mar. 22, 1930 70 Years Ago in Science News: The Sun'S New Trans-Neptunian Planet... Black As Coal, Dense As Zinc... Naming The Planet
Geotimes March 2006 Naomi Lubick	Starry Lens A newly discovered planet may be the most Earth-like planet found to date outside our solar system. The discovery confirms the value of a relatively new detection method known as gravitational lensing.
Wired June 2001 Oliver Morton	Shadow Science Looking for Earth-like planets outside the solar system? Bill Borucki's cheap little spacecraft can help you find a few hundred, fast...
IEEE Spectrum March 2009 Anna Bogdanowicz	NASA Planet Hunter to Search Out Other Earths The Kepler satellite, scheduled to launch this month, will spend more than three years hunting for planets that might support life
Popular Mechanics November 2009 Logan Ward	10 Most Brilliant Innovators of 2009: Kepler Space Telescope The Kepler telescope -- a 15-foot-long, $600 million tool for finding Earth-like planets -- captured its first image in April.
Geotimes October 2007 Erin Wayman	Reaching for the Stars in Planet Formation Most known exoplanets orbit stars that appear to be rich in metals. New research suggests these stars may be polluted with metal from planetary debris -- or even a planet -- that collided with the star.
Wired December 2004 Frank Drake	The E.T. Equation, Recalculated Fifty years ago, those of us who dreamed about finding extraterrestrials thought we knew where to look: planets with temperatures somewhere between the freezing and boiling points of water.
Geotimes October 2006 Kathryn Hansen	Planets Redefined: Pluto Gets Demoted Members of the International Astronomical Union voted to demote Pluto, and to give the asteroid Ceres a promotion. Arriving at this new system, however, was not without controversy among astronomers, the public and even geologists.
Chemistry World March 14, 2013 Jon Cartwright	Exoplanet spectrum hints at 'core accretion' Scientists in the US and Canada have uncovered what could be the most detailed spectrum of an exoplanet to date. The spectrum reveals the presence of carbon monoxide and water, which suggest that the planet formed by core accretion.
Wired December 2004 Patrick Di Justo	Mysteries of the Cosmos The top 13 places to explore in outer space.
Popular Mechanics July 2007 Noah Shachtman	How NASA's New Telescope Chases Planets NASA is launching its first-ever planet-hunting mission next year, sending the Kepler spacecraft on a quest to find 1000 more planets -- and 50 new Earths.
Smithsonian October 2006 Robert Irion	What Makes a Planet? As just about everyone in the solar system knows by now, members of the International Astronomical Union came up with a new definition of planets that leaves Pluto out in the cold.
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?
Geotimes June 2005 Kathryn Hansen	Orbital Shuffle for Early Solar System The solar system is now full of clues to its past, and astronomers, with the help of computer models, are finding new ways to link together previously unconnected observations to explain how the planetary system came to resemble what it is today.
IEEE Spectrum January 2012 Rachel Courtland	Single Blue Planet Seeks Same In 2012, a new exoplanet hunter will look for worlds like our own
Scientific American June 2009 John Rennie	Inspirations in Space and Closer to Home Astronomers are finding new planets; humanitarians are improving this one
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
Chemistry World July 8, 2014 Ian Crawford	Lucky planet Lucky Planet is a well-written, engaging, and thought-provoking addition to discussions of extraterrestrial life.
Scientific American January 2009 Charles Q. Choi	Does Dark Matter Encircle Earth? Dark matter might exert measurable effects on the earth, moon and gas giants
Searcher September 2011 David Mattison	Searching for the Stars: Cosmic Views and Databases While amateur astronomers continue to play an important role in the field and are supported by numerous clubs, associations, and their peers, I have primarily examined resources originating from government and academic research environments.
Chemistry World March 13, 2008 Kira Welter	Planets' Birthplace Harbours Chemical Seeds of Life Astrochemists have for the first time directly observed both organic molecules and water vapour in the region around a young star where planets form.
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 2009 Jon Cartright	Reading between the lines Since its emergence in the mid 19th century, spectroscopy has become the most important tool in astronomy, and in recent years there has been no end to its new discoveries.
InternetNews August 10, 2005 Tim Gray	Astronomy, Google-Style Michael Brown, a planetary scientist at the California Institute of Technology, discovered the planet K40506A in 2003. While he had not yet announced his discovery, he accidentally left accessible over Google details that described the planet.
Science News March 29, 1930	TimeLine: Mar. 29, 1930 Wanted: Early Planet Photographs... Additional Observations...
Chemistry World July 27, 2015 Katrina Kramer	A space traveller's guide to the solar system Mark Thompson will take you on a holiday around our solar system in his new book, A space traveler's guide to the solar system -- a journey that promises to be both terrifying and awe-inspiring.
Popular Mechanics November 19, 2009 Stephen Ornes	This Is Not Your Grade School Solar System: Gallery What has changed in solar system imagery over the past few decades and what we can learn from it
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.
Geotimes September 2006 Kathryn Hansen	Floral Shade Aids Search for Earths The search continues for the Earth-like planets that scientists think are most likely to harbor life, and a newly refined sunflower-shaped device could one day reveal scores of candidates currently obscured by their neighboring star's light.
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.
Geotimes May 2004 Sara Pratt	Deciphering Planetary Magnetism Neptune and Uranus both have unusual magnetic fields that tilt at a 60-degree angle toward their equators. Scientists are now able to model the processes that shape the planets' magnetism.
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.
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.
Chemistry World May 13, 2014 Patrick Walter	Star chamber sparkles with space dust Nasa has created star dust down here on Earth. The dust was produced in a lab by simulating the conditions found in the atmosphere of a red giant star.
Popular Mechanics March 22, 2010 Cassie Rodenberg	The Best in Armchair Astronomy Some online sites post images from powerful telescopes around the world; others let viewers take control of the scopes.
Science News May 23, 2009	The Crowded Universe: The Search For Living Planets By Alan Boss In the book The Crowded Universe, a renowned astronomer details the history of planet hunting, and argues that alien life is common and will soon be found.
Science News February 23, 2008	Science Safari: New Worlds Atlas A newly revamped website from NASA lets you keep track of the ever-expanding list of planets.
Science News October 14, 2000	TimeLine: October 11, 1930 $5,000 Prize to Prof. Babcock for 40-Year-Old Invention... Astronomer Finds Neptune's Day to be 15.8 Hours Long... Glass is called a Liquid, with Qualifications...
Chemistry World February 6, 2014 Colin John Humphreys	Science, religion and the search for extraterrestrial intelligence This book by David Wilkinson would be ideal for anyone interested in the possibility of intelligent life elsewhere else in the universe. I will be buying it for someone myself.