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Earth, Our Home Planet
Earth, our home planet, is the 3rd planet from the sun.
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NASA's Kepler mission observatory has discovered found 1,235 potential alien planets so far. A new image puts them all together.
NASA's Project Icebridge estimates show that Artctic sea ice has now melted back to 1/2 the size of the continental U.S. (3,717,813 sq mi). Scientists like Tom Wagner are investigating how much more will melt and when.
Europe's GOCE mission to study the Earth's gravity field has begun a detailed analysis of the Earth's interior, shedding light on how continents move, to advance an early warning system for earthquakes.
Structures thought of as the oldest known fossils of microbes might actually be microscopic mineral formations.
Does our magnetic field really shield Earth from the solar wind?
Scientists want to understand two complex bands of radiation in Earth's atmosphere.
Satellite maps have been a vital part of relief efforts following Japan's devastating earthquake and tsunami.
Black holes can pulse space itself making it resonate with gravitational waves. New and planned Earth-based detectors will rip such space songs for human ears. Hear how two dancing black holes would "sound".
NASA's 34-year-old Voyager 1 probe is performing new tricks at the solar system's edge.
NASA has shelved two high-priority climate satellite missions on White House orders to cut costs.
A rocket carrying NASA's newest climate satellite Glory failed after liftoff.
NASA's Glory mission fails to reach orbit after a fairing does not separate on March 4, 2011. Contingency investigation is underway.
The dust grains that eventually coalesced into our solar system's planets nearly 4.6 billion years ago likely bounced around like pinballs over vast distances, new study suggests.
Europe's Earth observation missions measure changes in sea level, ice thickness and soil moisture; then combine those data with 3 decades of satellite archives to refine predictive models.
There will be two total lunar eclipses and four partial solar eclipses in 2011.
The ins and outs of the Glory mission, NASA's newest climate satellite.
There is work to be done to make sure Earth is prepared for the next solar storm.
The sun unleashed its most powerful eruption in more than four years this week, but it could have been a lot worse, experts say. The sun's space weather cycle have serious impacts on Earth.
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