National Aeronautics and Space Administration (NASA)

10:01pm

Sun February 26, 2012
Books

'Space Chronicles': Why Exploring Space Still Matters

Originally published on Mon February 27, 2012 10:02 am

Astrophysicist Neil deGrasse Tyson says valuing space exploration "transforms the culture into one that values science and technology."
AP

After decades of global dominance, America's space shuttle program ended last summer while countries like Russia, China and India continue to advance their programs. But astrophysicist Neil deGrasse Tyson, author of the new book Space Chronicles: Facing the Ultimate Frontier, says America's space program is at a critical moment. He thinks it's time for America to invest heavily in space exploration and research.

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10:37am

Thu February 16, 2012
The Two-Way

Methane, Soot Are Targets Of New U.S. Climate Initiative

A new program led by the U.S. seeks to limit amounts of soot, hydrofluorocarbons and methane released into the atmosphere. In this file photo from 2009, a researcher ignites trapped methane from under a pond's ice cap in Alaska.
Todd Paris AP

The United States and five other nations are embarking on a new program to limit pollutants connected to global warming. But they're not targeting carbon dioxide with this effort — instead, they're looking at methane gas, and soot.

NPR's Richard Harris filed this report for our Newscast desk:

"Secretary of State Hillary Clinton says the U.S. is teaming up with Canada, Mexico, Sweden, Ghana and Bangladesh to get countries thinking about some potent contributors to climate change."

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11:20am

Wed January 25, 2012
The Two-Way

'Blue Marble 2012': NASA's 'Most Amazing' High Def Image Of Earth So Far

Originally published on Wed January 25, 2012 3:41 pm

"Blue Marble 2012." Want to see a really big version of this photo? Click here.
NASA

The "Blue Marble" image of Earth snapped by the crew of Apollo 17 in 1972 is one of the most famous photos ever taken. When it appeared, we all suddenly saw the world in a much different way.

In the years since, NASA has added other "Blue Marble" photos to its collection, and has used technology to enhance and sharpen the images.

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1:00pm

Sat November 26, 2011
Space

Cruising To Mars: The Rover's Tasks

NASA launched the Mars Science Laboratory from Cape Canaveral, Fla., on Saturday. The MSL is five times heavier than the rovers currently on Mars and has twice as many scientific instruments. It will take nine months for the spacecraft to reach the Red Planet, and there's plenty of things for it to do before then.

12:26pm

Wed August 10, 2011
The Two-Way

Stay On Target: NASA's Rover Reaches Huge Crater On Mars

A portion of the west rim of Endeavour crater sweeps southward in this view from NASA's Mars Exploration Rover Opportunity. NASA adjusted the colors in this image. Fans of the film Capricorn One may want to see the original orange-tinted image.
NASA

You may not have realized it, but a piece of U.S. property was recently driving around on the surface of Mars. Tens of millions of miles away from the debt crisis, the heat wave and other big events of the summer, NASA's rover Opportunity just completed a 13-mile trip to allow scientists to examine a Martian crater.

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