NASA

Region at the base of the Alaska Range south of Fairbanks

As part of a broad effort to study the environmental and societal effects of climate change, NASA has begun a multi-year field campaign to investigate ecological impacts of the rapidly changing climate in Alaska and northwestern Canada, such as the thawing of permafrost, wildfires and changes to wildlife habitats.

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The Soyuz TMA-08M spacecraft departs from the International Space Station.

Half of the residents of the International Space Station will take a spin around their orbital neighborhood in the Soyuz TMA-16M spacecraft on Friday, Aug. 28. NASA Television coverage will begin at 1:45 a.m.

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A screen capture from NASA's new Experience Curiosity website shows

On the three-year anniversary of the Mars landing of NASA’s Curiosity rover, NASA is unveiling two new online tools that open the mysterious terrain of the Red Planet to a new generation of explorers, inviting the public to help with its journey to Mars.

Mars Trek is a free, web-based application that provides high-quality, detailed visualizations of the planet using real data from 50 years of NASA exploration and allowing astronomers, citizen scientists and students to study the Red Planet’s features.

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New close-up images of a region near Pluto’s equator reveal a giant surprise — a

After a decade-long journey through our solar system, New Horizons made its closest approach to Pluto on Tuesday, July 14, 2015, about 7,750 miles above the surface – roughly the same distance from New York to Mumbai, India – making it the first-ever space mission to explore a world so far from Earth.

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Pluto nearly fills the frame in this image taken July 13, 2015.

NASA’s New Horizons spacecraft is at Pluto.

After a decade-long journey through our solar system, New Horizons made its closest approach to Pluto on Tuesday, 14 13, 2015, about 7,750 miles above the surface – roughly the same distance from New York to Mumbai, India – making it the first-ever space mission to explore a world so far from Earth.

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This image, Sept. 7, 1996, shows two views of the trailing hemisphere of Europa.

Beyond Earth, Jupiter’s moon Europa is considered one of the most promising places in the solar system to search for signs of present-day life, and a new NASA mission to explore this potential is moving forward from concept review to development.

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Engineers and technicians at Lockheed Martin Space Systems, Denver

Testing is underway on NASA’s next mission on the journey to Mars, a stationary lander scheduled to launch in March 2016.

The lander is called InSight, an abbreviation for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport. It is about the size of a car and will be the first mission devoted to understanding the interior structure of the Red Planet. Examining the planet's deep interior could reveal clues about how all rocky planets, including Earth, formed and evolved.

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Antarctica's Larsen B Ice Shelf is likely to shatter into hundreds of icebergs.

A new NASA study finds the last remaining section of Antarctica's Larsen B Ice Shelf, which partially collapsed in 2002, is quickly weakening and likely to disintegrate completely before the end of the decade.

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Artist’s impression of NASA’s New Horizons spacecraft encountering Pluto

NASA’s New Horizons spacecraft is two months from returning to humanity the first-ever close up images and scientific observations of distant Pluto and its system of large and small moons.

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Zombie Stars

Peering into the heart of the Milky Way galaxy, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has spotted a mysterious glow of high-energy X-rays that, according to scientists, could be the "howls" of dead stars as they feed on stellar companions.

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