Replacement Pump Module Working Well on the International Space Station

James Cameron is featured in a new series of public service announcements describing the contributions NASA's Earth science program has made to environmental awareness and the exploration of our home planet

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GRIP 'Shakedown' Flight Kicks Off Hurricane Airborne Research Mission

Flooding caused by heavy monsoon rains have affected about one-fifth of Pakistan, a country of more than 170 million. Tens of thousands of villages have been flooded, and millions have been left homeless.

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Ping-Pong Balls to Float Crew Capsule Simulator

Flooding caused by heavy monsoon rains have affected about one-fifth of Pakistan, a country of more than 170 million. Tens of thousands of villages have been flooded, and millions have been left homeless.

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NASA Spacecraft Camera Yields Most Accurate Mars Map to Date

A camera aboard NASA's Mars Odyssey spacecraft helped develop the most accurate global Martian map to date. The map allows researchers and the public to explore and survey the entire surface of the Red Planet.

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Station Astronaut Caldwell Dyson Sends First Sign Language Message From Space

The International Space Station has had guests from all over the world, representing myriad languages. But until NASA astronaut Tracy Caldwell Dyson came aboard, one language was still not represented.

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Hubble Shows Black Hole Booted Star From Milky Way

A hundred million years ago, a triple-star system was traveling through the bustling center of our Milky Way galaxy when it made a life-changing misstep, wandering too close to the galaxy's giant black hole.

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NASA's Virtual 'Summer Science Camp' Continues With Today's Chat About Comets

Dusty tails of comets streak the solar system, breaking up and interacting with the Earth's night sky to produce amazing meteor showers. Astronomer Bill Cooke answers your questions about comets and meteors today

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Islands of Four Mountains

The picturesque, but snow-capped volcanoes, composing the Islands of the Four Mountains in Alaska's Aleutian Island chain look suspiciously like an alien...

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