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NPR

Space Shuttle Endeavour's Final Journey Adds A Day

The crowds that cheered the shuttle on Saturday changed their tune after a night of hassles that left the Endeavour still blocking L.A. traffic and threatening trees early Sunday morning.
NPR

For Sale: A Chunk Of Mars

A meteorite from Mars hit the Moroccan desert in 2011. Now its otherworldly fragments are telling scientists about the history of the red planet. You, too, can own a piece of Martian history — if you've got a couple hundred thousand dollars to spare.
NPR

Space Shuttle Endeavour Rolls To Its Resting Place

NASA's space shuttle Endeavour is on its last journey. It's being towed through the streets of Los Angeles on its way to a science museum. Endeavour is expected to take two days to make the trip, providing gawkers with plenty of chances to get a glimpse.
NPR

Martian Meteorite For Sale Is A 'Little Time Capsule'

While NASA's robot is taking photos of Martian rocks, there are several pieces of the real thing on Earth. In 2011, an extremely rare event happened in Morocco — people observed a meteorite fall and recovered it before it was contaminated by water or organisms from Earth. Scientists now describe how it was made, and what it's made of. Now this weekend a piece of the asteroid is up for sale at a pricy auction house in Manhattan. Science and art have converged in a piece of Martian rock.
NPR

Tracking The Ozone Hole, As It Waxes And Wanes

Every August, the ozone hole begins to grow over Antarctica, reaching its maximum size by late September. But by the New Year, it's gone again. Russell Schnell, of NOAA's Earth System Research Laboratory, explains the weird forces behind the ozone hole's formation--and why, in recent years, an ozone hole has capped the Arctic too.

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