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Turning the Lights Off in Alaska
Topic: Spaceship Earth
Summary: After some 400 years of relative stability, Earth's North Magnetic Pole has moved nearly 1,100 kilometers out into the Arctic Ocean during the last century and at its present rate could move from northern Canada to Siberia within the next half-century.

Supernova Waves Rolled Over Mammoths
Topic: Spaceship Earth
Summary: A distant supernova that exploded 41,000 years ago may have led to the extinction of the mammoth, according to research that will be presented by nuclear scientist Richard Firestone of the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab).

Terrestrial Tipping Point
Topic: Spaceship Earth
Summary: Scientists have concluded more energy is being absorbed from the sun than emitted back to space, throwing the Earth's energy "out of balance" and warming the globe. Scientists from NASA, Columbia University, New York, and Lawrence Berkeley National Laboratory, Berkeley, Calif. used satellites to study Earth's oceans.

Life At Risk When Star Exploded?
Topic: Spaceship Earth
Summary: Scientists at NASA and the University of Kansas say that a mass extinction on Earth hundreds of millions of years ago could have been triggered by a star explosion called a gamma-ray burst. The scientists do not have direct evidence that such a burst activated the ancient extinction.

Genesis: In the End...
Topic: Spaceship Earth
Summary: Counting down the top ten astrobiology stories for 2004 highlights the accomplishments of those exploring Mars, Saturn, comets, and planets beyond Pluto. Number ten in this countdown was the remarkable story of the Genesis mission, the first attempt to capture solar wind and return it for laboratory analysis.

Moon Shadows
Topic: Spaceship Earth
Summary: For much of the Americas, Wednesday's lunar eclipse highlights the delicate question of whether our Moon is the thing that actually stabilizes the Earth in its habitable, climatic zone.

Opening the Lid on Genesis
Topic: Spaceship Earth
Summary: The Genesis desert crash has left scientists wondering about the delicate condition of its solar wind collection. The first release of samples to the community has begun, while new tests for oxygen-isotopes may help uncover which particles might have lunar, solar or terrestrial origins.

Time to Collect the Corona
Topic: Spaceship Earth
Summary: If all goes as planned, the sample capsule from the Genesis spacecraft will be returning to Earth on Wednesday morning. The spacecraft has spent the past two years collecting the solar wind.

Aura Around Earth
Topic: Spaceship Earth
Summary: Overcoming technical launch challenges, a three-ton satellite named Aura, the third large satellite in NASA's Earth Observing System, is set to launch this week on a mission to study the upper atmosphere.

Tracking Halloween Blast Wave
Topic: Spaceship Earth
Summary: Last Halloween, our Sun released the most powerful storm ever recorded. Although this electromagnetic blast-wave did not damage terrestrial satellites, a fleet of instruments elsewhere in the solar system saw its deleterious effects from Mars to Saturn.

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