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Earth, Our Home Planet
Earth, our home planet, is the 3rd planet from the sun.
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What if dinosaurs and Neanderthals had not gone extinct? What if the sun was twice as large? How 10 key moments in history could change the present.
The newfound comet should be visible to the naked eye in early 2013.
What if dinosaurs and Neanderthals had not gone extinct? What if the sun was twice as large? How 10 key moments in history could change the present.
"Our planet is definitely changing and we're definitely causing it" says NASA oceanographer Josh Willis. NASA scientists describe their findings on ice melt and sea level rise.
What if dinosaurs and Neanderthals had not gone extinct? What if the sun was twice as large? How 10 key moments in history could change the present.
What if dinosaurs had not gone extinct? What if Earth was twice as large? How 10 key moments in history could change the present.
See photos from the June 10 NASA rocket launch that sent the ocean salt-mapping satellite Aquarius/SAC-D into orbit.
The Aquarius/SAC-D satellite will map the saltiness of Earth's oceans from space.
NASA's sea salt measurement mission will help scientists understand how salinity effects Earth's climate. Launched on Jun 10, 2011, Aquarius may help predict climate trends in the future.
The survival of the Netherlands depends on good adaptation to what happens in the climate" says Prince Willem-Alexander. Europe's Cryosat mission is measuring the changes in ice thickness at the north and south poles to make a better assessment.
NASA is set for Friday's launch of its Aquarius observatory, which will map out the links between Earth's climate and the saltiness of its oceans.
NASA's Calipso satellite is five years old and observes the atmosphere.
An asteroid the size of a small motorhome zoomed near Earth last night (June 1), coming closer to us than the moon sits.
Orbiting our planet, spacecraft really take their lumps and bumps. Europe's GOCE satellite has produced the most detailed map of the Earth's gravitational field, helping scientists understand ocean circulation and its effects on climate change.
Take a clay model of Earth and squish it with your fingers, and the result will appear similar to the geoid — the latest and best-ever map of our planet's gravitational field.
Spectacular photos show Endeavour at the space station over nighttime Earth.
The target of NASA's new OSIRIS-Rex mission is an asteroid that might slam into Earth in 171 years.
Scientists may have to rethink some of their ideas about how the moon formed.
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