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NASA Events:

This artist's concept illustrates an icy planet-forming disk around a young star called TW Hydrae, located about 175 light-years away in the Hydra, or Sea Serpent, constellation. Image credit: NASA/JPL-Caltech

Herschel Space Observatory Finds Oceans of Water in Disk of Nearby Star

Water vapor enveloping a dusty disk around a young star suggests that this disk, which is poised to develop into a solar system, contains great quantities of water and that water-covered planets like Earth may be common in the universe.

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This artist's conception illustrates a storm of comets around a star near our own, called Eta Corvi. Image credit: NASA/JPL-Caltech

NASA's Spitzer Detects Comet Storm In Nearby Solar System

NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar system. The downpour resembles our own solar system several billion years ago when life-forming ingredients fell to Earth.

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NASA Releases Visual Tour of Earth's Fires

NASA has released a series of new satellite data visualizations that show tens of millions of fires detected worldwide from space since 2002. The observations were made by NASA's Terra and Aqua satellites.

› Learn More | › A Decade of Fires

NEEMO: NASA Extreme Environment Mission Operations

The NEEMO 15 crew, having left the comforts of surface life, are immersed in an undersea world of adventure for a 13-day mission filled with tests and operations, designed to help NASA understand the factors relevant to actual space missions.

› Learn More | › NEEMO 15 Blog

Spiral Arms Point to Possible Planets in a Star's Dusty Disk

A new image of the disk of gas and dust around a sun-like star is the first to show spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen planets.

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Oct. 16, 2011, false-color view of total ozone over the Antarctic pole.

NASA, NOAA Data Show Significant Antarctic Ozone Hole Remains

The Antarctic ozone hole reached its annual peak on Sept. 12, and was the ninth largest ozone hole on record. Above the South Pole, the ozone hole reached its deepest point of the season on Oct. 9, tying this year for the 10th lowest in this 26-year record.

› Learn More | › Ozone Hole Watch | › Watch Video | › Ozone Depletion a Bigger Deal 'Down Under'

NASA Readies New Type of Earth-Observing Satellite for Launch

On Oct. 28, the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, will launch, becoming the first Earth-observing satellite to measure both global climate changes and key weather variables.

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Expedition 29 Commander Mike Fossum encouraged students to participate in the YouTube Space Lab contest via a broadcast from aboard the International Space Station. (NASA)

Your Experiment, 250 Miles Above Earth, for the Whole World to See

That is the promise made on the official YouTube Space Lab contest Website. Students will have the chance to envision and design their own experiment with the ultimate prize -- flying it on the International Space Station.

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NASA Images

A First for NASA

On Oct. 22, 1968, the Apollo 7 crew is welcomed aboard the USS Essex, the prime recovery ship for the mission. This was the first Apollo splashdown and,...