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Popular Mechanics December 2006 David Noland	The Threat is Out There More than 100,000 asteroids hurtle past our planet. But only one -- that we know of -- may hit us in the next 30 years.
Popular Mechanics October 9, 2008 Thomas D. Jones	Why the World Needs Asteroid Insurance: Resident Astronaut Meteors, or bolides, strike Earth routinely, part of the hundred tons or so of cosmic debris that rain down on us every day. We orbit the Sun in a cosmic shooting gallery
Geotimes January 2004 Richard P. Binzel	Asteroid Futures The efforts to locate large asteroids that might impact Earth, and what could be done if a threat was found.
National Defense February 2016 Stew Magnuson	Planetary Defense: A New Hot Market With little fanfare, NASA in January opened up its planetary defense coordination office with a mandate to identify potential chunks of rock hurdling toward Earth and to stop them if possible.
Chemistry World July 2009 Ned Stafford	Hoisting the solar sail Flying through space by catching sunlight on ultra-thin sails could revolutionize space travel - and the idea could soon take off.
IEEE Spectrum April 2010 Sigrid Close	Shooting Stars Can Shoot Down Satellites We don't know enough about meteoroids
IEEE Spectrum August 2011 Mason Peck	Exploring Space with Chip-sized Satellites The future of space exploration will include swarms of tiny spacecraft.
IEEE Spectrum November 2010 Joseph Calamia	Solar Sailing Several solar sails are set for launch
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.
Science News March 27, 2004 Ivars Peterson	Pinpointing Killer Asteroids Astronomers have identified more than 230,000 asteroids in orbit around the sun, and the number is increasing daily. Some of these objects are on courses that could lead to a collision with Earth. If the asteroid is sufficiently large, the results could be catastrophic.
Popular Mechanics May 7, 2009 Mark Anderson	When Comets Attack: Solving the Mystery of the Biggest Natural Explosion in Modern History Scientists today think a small fragment of a comet or asteroid caused the "Tunguska event," so named for the Tunguska river in Siberia.
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.
IEEE Spectrum August 2005 Bradley Carl Edwards	A Hoist to the Heavens A space elevator could be the biggest thing to happen since the Stone Age, but can we build one? Many aspects are already being imagined and considered by forward-thinking engineers.
Geotimes June 2005 Sara Pratt	Revising the Asteroid Threat Scale Although scientists still assign Torino Impact Hazard Scale values via the same method, the language used to describe some levels has now changed to better inform the public -- and the media -- of the risk without unintentionally scaring people.
IEEE Spectrum May 2008 Barry E. DiGregorio	Scientist Sells the Electric Sail for Space Propulsion Whisper-thin charged wires form a low-power sail for the solar wind.
Geotimes July 2005 McFadden & Schultz	Collision Course: Deep Impact The Deep Impact project will shed light on some fundamental scientific questions about comets, including what they are made of and how they formed.
Popular Mechanics October 2004 Harrison H. Schmitt	Mining The Moon An Apollo astronaut argues that with its vast stores of nonpolluting nuclear fuel, our lunar neighbor holds the key to Earth's future.
Wired December 2004 Patrick Di Justo	Mysteries of the Cosmos The top 13 places to explore in outer space.
Geotimes November 2003	Geophenomena New pursuit of near-Earth asteroids... Finding faults in Washington...
Popular Mechanics December 2005 Aldrin & Noland	Roadmap To Mars So far, NASA's plan to reach the red planet has been short on detail. Apollo astronaut Buzz Aldrin unveils his own step-by-step proposal for mankind's next giant leap.
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 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.
IEEE Spectrum December 2012 Toth & Turyshev	Finding the Source of the Pioneer Anomaly Thirty years ago, the first spacecraft sent to explore the outer solar system started slowing unexpectedly. Now we finally know what happened
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.
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...
Geotimes March 2004	Sedna: Newly sighted planetoid in the solar system At the edge of the solar system, astronomers have unexpectedly sighted an object slightly smaller and farther from the Sun than Pluto -- not quite another planet, but not a temporary visitor either.
Fast Company Pavithra Mohan	NASA's New Office Wants To Save Earth From Asteroids In a move that could easily double as a plotline in a sci-fi flick, NASA has created a task force that will be charged with scouting for asteroids and other potentially devastating threats to planet Earth.
TIME Asia June 28, 2010 Christopher Shay	The Moment The Japanese space program confirmed on June 10 it had unfurled the first interplanetary solar sail, powering its spacecraft IKAROS.
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...
Chemistry World August 2009 Richard Corfield	One giant leap NASA's Apollo missions answered many questions about the Moon - and as NASA unveils plans to return, lunar chemistry will again play a prominent role
Geotimes January 2005 Naomi Lubick	Bombing a Comet Yesterday at 1:47 p.m. EST, NASA successfully launched a rocket from Cape Canaveral, Fla., carrying the Deep Impact spacecraft toward its rendezvous with a comet.
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 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.
AskMen.com	NASA Studying The Sun The most advanced solar observatory ever built rocketed into space Thursday on a five-year quest to shed light on Earth's star.
IEEE Spectrum June 2009 Anatoly Zak	A Russian Return to a Martian Moon Russia hopes to reignite its deep-space program with a mission to Phobos
IEEE Spectrum June 2009 Guterl & Heger	Mars Is Hard Fifty years ago, space experts thought we'd be there by now. Here's why we're not
Geotimes February 2007 Cassandra Willyard	Surprise! Stardust Lands Actual Stardust The dust is clearing around a cosmic puzzle that has long piqued the interest of astronomers. Tiny grains of dust, no larger than the width of a human hair, are revealing the conditions in which the solar system, and perhaps life, got its start.
Popular Mechanics August 21, 2009 Andrew Moseman	NASA's Greatest Mission? Stardust Finds Amino Acids, Keeps on Giving to Science In Stardust's tennis racket shaped aerogel collectors, Michael Zolensky of NASA's Johnson Space Center and his colleagues found lots of surprises.
Wired December 2001 Evan Ratliff	Blastnost! The once proud Soviet missile fleet has set its sights on the deep-discount launch business...
IEEE Spectrum June 2009 Sandra Upson	Rockets For The Red Planet Engineers rethink how to get to Mars and back
Geotimes July 2005 Lisa Pinsker	Deep Impact Strikes Back The scientists at NASA's Jet Propulsion Laboratory (JPL) cheered yesterday as they received confirmation that the Deep Impact probe successfully hit its target, comet Tempel 1, after six months' and hundreds of millions of miles' worth of journey.
Popular Mechanics April 2006 Leslie Sabbagh	Survival of the Oldest Payload Ever: The Stardust Spacecraft Returns to Earth After seven years and 2.9 billion miles, the Stardust spacecraft sent back to Earth the oldest material ever collected.
Geotimes March 2005 Joseph Richard Gutheinz	Marketing an Asteroid Threat NASA would prefer to market its successes, but with a mixed bag of successes and failures lately, they have opted for a new public relations ploy: fear -- whether it be fear of the environment or fear of asteroids.
Geotimes July 2004 Jay Chapman	Sliding into Saturn Late Wednesday night, the Cassini-Huygens spacecraft silently slipped through the outermost rings of Saturn and entered into orbit. By early Thursday morning, Cassini began transmitting strikingly elegant close-up images of Saturn's rings.
Smithsonian December 2006 Eric Jaffe	Clues from a Comet The first mission to collect space matter from beyond the moon offers insights into the solar system's creation.
IEEE Spectrum June 2009 William Sweet	Do We Need to Go to the Moon to Get to Mars? Returning to the moon is not all that technically challenging. What's challenging is to make it an international effort that puts behind past grievances and sets the stage for a truly challenging international mission to Mars.
Geotimes December 2005	Highlights 2005 -- Space Rovers still trucking... New "planetary" neighbors... Back to space...
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 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.