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Geotimes
January 2006
Megan Sever |
Sizing up a Crater New modeling of the impact of an Eocene extraterrestrial projectile in what is now the Chesapeake Bay shows that it was smaller than previously thought, and could help better predict the effects of future potential impacts.   |
Geotimes
January 2004
Megan Sever |
Unraveling the Chicxulub Case On the Yucatan Peninsula in Mexico, geologists are drilling one of Earth's three largest impact structures, hoping to reveal clues about a devastating event linked to the extinction of the dinosaurs 65 million years ago. |
Geotimes
January 2004
John E. Warme |
The Many Faces of the Alamo Impact Breccia The Alamo impact 370 million years ago resulted in one of the best-exposed and well-dated impact deposits and a full-scale physical model for understanding wet impacts: the Alamo Breccia. |
Geotimes
October 2006
Kathryn Hansen |
Debate Continues Over Dinosaur Demise Analysis of new core samples support previous research from that the Chicxulub meteor struck about 300,000 years prior to the K/T extinction event and, therefore, did not cause extinction of the dinosaurs. |
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. |
Geotimes
April 2003
Kenneth R. Bradbury |
A Circuitous Path: Protecting Groundwater in Wisconsin Groundwater follows a winding path -- and one much faster than previously thought -- to municipal wells in the city of Sturgeon Bay, and it may pick up contaminants along the way. |
Geotimes
September 2006
Kathryn Hansen |
Opportunity Reaches Martian Crater Cameras aboard NASA's Mars rover Opportunity captured the vast expanse of Victoria crater. |
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. |
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
January 18, 2008
Jennifer Bogo |
Inside NASA's Mega Flyby of Mercury's Dark Side NASA's new Messenger spacecraft will conduct a full scientific investigation of Mercury's surface. |
Geotimes
July 2004
Megan Sever |
Possible P/T Impact Crater A group of scientists now says they have uncovered a crater that may be responsible for the mass extinction at the end of the Permian, and their results are inciting a new flurry of controversy. |
Geotimes
April 2003
Lisa M. Pinsker |
Seeing Chicxulub A new map of the Yucatan from NASA shows for the first time the 180-kilometer wide crater left behind after a giant impact that researchers believe killed the dinosaurs 65 million years ago. |
Smithsonian
May 2007
Terence Smith |
Beyond Jamestown After the colony was founded, 400 years ago this month, Capt. John Smith set out to explore the riches of Chesapeake Bay. With Smith's journals to guide him, a modern-day sailor retraces that historic voyage |
Popular Mechanics
January 5, 2010
Jeremy Jacquot |
The Top 4 Sites to Land on Mars and Their Biggest Mysteries Scientists at the Pasadena based NASA research center will decide within the next two years where to send the Mars Science Laboratory rover after it launches in the fall of 2011. |
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. |
Geotimes
March 2004
Megan Sever |
Wisconsin crater revealed In 1942, mappers doing reconnaissance work first noticed an anomalous geologic structure in western Wisconsin. Now geologists have determined that the feature is a 430- to 445-million-year-old meteorite impact structure. |
Geotimes
November 2005
Kathryn Hansen |
Earthly Origin for Desert Formation The Richat Structure in the Maur Adrar Desert is frequently photographed from space. The formation resembles an impact crater, but researchers now say that the famous feature may be the result of magma fluids dissolving sedimentary rocks about 100 million years ago. |
Scientific American
May 16, 2005
Barry E. DiGregorio |
Doubts on Dinosaurs Yucatan impact crater may have occurred before the dinosaurs went extinct. |
Geotimes
November 2005
Kathryn Hansen |
Comet Full of Fluff Investigations will turn up many clues as researchers have only started to sift through the data uncovered from the Deep Impact crater. |
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
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. |
Geotimes
June 2006
John Rowland |
Coastal Maryland: On the Lookout for Ghosts, Fish and Fossils Point Lookout, Md., has beautiful coastlines along the Chesapeake Bay, where recreational opportunities abound, including boating and fishing. The region has a rich geologic and cultural history. |
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. |
Geotimes
March 2006
Megan Sever |
Gassy Eruption in Oklahoma In December, a normally peaceful creek in Oklahoma became a raging torrent of mud, gas and water, when gas escaped from a blowout at a nearby natural gas reservoir that Chesapeake Energy had just found. The estimated blow to the company is likely in the millions of dollars. |
Scientific American
March 13, 2005
Mark Alpert |
Lunar Science NASA's plan to establish a permanent lunar base and use the program's technology to prepare a human mission to Mars hinges on a risky prediction: that astronauts will find water ice in a permanently shadowed crater basin at one of the moon's poles. |
Geotimes
December 2005 |
Geomedia Spinning Around the Globe Online... Books -- The Raging Sea: The Powerful Account of the Worst Tsunami in U.S. History, by Dennis M. Powers... Reef Madness: Charles Darwin, Alexander Agassiz and the Meaning of Coral, by David Dobbs... etc. |
Geotimes
January 2004
Lisa M. Pinsker |
Impacts in Space and on Earth: An Interview with Carolyn Shoemaker Carolyn Shoemaker has discovered more comets than anyone else alive today. Under the tutelage of her late husband, Carolyn learned how to identify these objects both in the sky and on the ground. |
Real Travel Adventures
February 2011
Karen Hamlin |
A Marine Wonderland In Virginia Beach In 1996, the Virginia Marine Science Museum tripled its size to offer an encompassing view of Virginia's unique marine environment: the Chesapeake Bay, fresh water rivers and the Atlantic Ocean. |
Wired
September 2002 |
Destination: Mars Where would you stake your claim on the great desert planet? Oliver Morton, author of the new book Mapping Mars, asks the experts. |
Geotimes
March 2004
Megan Sever |
Extinction debate continues Did the Chicxulub impact off the Yucatan coast in Mexico kill the dinosaurs 65 million years ago? |
Geotimes
February 2004
Naomi Lubick |
Mars update: a pixel at a time The two rovers on Mars are on the move. Spirit, after 10-day lapse in memory, now functions again after efforts by Jet Propulsion Lab (JPL) scientists. Its twin explorer, Opportunity, has been traveling in its own crater, halfway around the planet. |
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. |
