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China's second moon probe is parked at a stable spot in deep space, called a Lagrangian point, as part of a new mission to study the sun and Earth 's magnetic field.

To become a world bathed in oceans of water and habitable, Earth first had to take a beating. A popular hypothesis holds that icy comets and asteroids pummeling early Earth delivered the planet's water from the icy outer reaches of the solar system.

Leaves are the ultimate solar panel. If we're going to power more of the world with the sun, we're going to need to imitate plants, one way or another. Enough solar energy strikes the earth in one hour to power our civilization for a year , and futurists like Ray Kurzweil see us moving to an all-solar civilization in the span of a single human lifetime

Groupon's Valuation May Shrink To $12 Billion . Groupon may have plans to cut back its IPO to about $500 million, a drop from its original intent in June to raise $750 million

Branson thinks that by being in space, people become more passionate about the planet. And he's planning on helping out cash-strapped NASA with its research, too. Earlier this week, Virgin Galactic --the space travel arm of the Virgin Group--debuted the first-ever spaceport in New Mexico

Rick Perry's administration has forced a report on the effects of climate change on Texas to remove all references to, well, climate change. But that doesn't change what's happening to the state's climate. Scientists associated with a major study of environmental changes in the low-lying coastal region around Galveston, Texas, have withdrawn their names from the final report after high-level officials appointed by Governor Rick Perry removed references to sea level rise and climate change from the document.

Debris from the devastating tsunami that hit Japan on March 11 has turned up exactly where scientists predicted it would after months of floating across the Pacific Ocean. Finding and confirming where the debris ended up gives them a better idea of where it's headed next. The magnitude 9.0 quake and ensuing tsunami that struck off the coast of Tohoku in Japanwas so

Greenpeace's successful campaign to get the toy company to change its packaging has lessons for future plans to target large companies to improve their behavior: Amp up the humor and go viral. Sometimes it takes humor to make a serious point.

A defunct German satellite is expected to plunge to Earth this week, but exactly when and where the satellite will fall remains a mystery. The massive

Plants mastered chemistry a long time before humans, billions of years actually . In fact, we humans and most of the rest of the life on Earth can thank tiny cyanobacteria for mastering/evolving the molecule known as chlorophyll. Chlorophyll--a pigment that absorbs blue light--is the key to photosynthesis, and photosynthesis is the key to turning sunlight into food.

To feed the world's growing and more affluent population, global agriculture will have to double its food production by 2050. More farming, however, usually means more environmental harm as a result of clearing land, burning fossil fuels, consuming water for irrigation and spreading fertilizer.

Guarding the fuel trucks that power America's armed forces overseas has turned into a deadly job. The military is realizing that saving money on gas isn't the most important reason to switch to clean fuel.

I owe this 60-Second Earth gig to Steve Jobs. Without the iPod there's no podcast. But our collective lust for iPod-like gadgets has some outsized impacts on the planet

Dear EarthTalk : I’m interested in getting a new tattoo, but recently found out that red tattoo ink contains mercury. Is this true of other tattoo inks as well? Are there any ecofriendly alternatives?

Janine Benyus helped bring the word "biomimicry" into 21st century vocabularies. What is biomimicry? Let Benyus explain in this video