Astronaut Peggy Whitson Breaks NASA Record For Most Days In Space

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Photographers Name New Night Sky Lights

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Cassini Spacecraft Heads To Saturn

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This long-exposure photograph taken on April 23, 2015, on Earth Day, shows Lyrids meteors shower passing near the Milky Way in the clear night sky of Thanlyin, Myanmar. Ye Aung Thu/AFP/Getty Images hide caption

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Ye Aung Thu/AFP/Getty Images

This composite of 30 images of asteroid 2014 JO25 was generated with radar data collected using NASA's Goldstone Solar System Radar in California's Mojave Desert. NASA/JPL-Caltech/GSSR hide caption

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NASA/JPL-Caltech/GSSR

The United Launch Alliance Atlas V rocket, with the Orbital ATK Cygnus pressurized cargo module, stands ready for launch on the pad at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. United Launch Alliance hide caption

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United Launch Alliance

Russia To Send Gun-Toting Humanoid Into Space

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New NASA evidence suggests that there's a chemical reaction taking place under the moon's icy surface that could provide conditions for life. NASA/JPL/Space Science Institute hide caption

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NASA/JPL/Space Science Institute

The new report from leading U.S. scientists shines a spotlight on how the research enterprise as a whole creates incentives that can be detrimental to good research. Robert Essel NYC/Getty Images hide caption

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Robert Essel NYC/Getty Images

Top Scientists Revamp Standards To Foster Integrity In Research

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NASA's Cassini Begins Its Final Mission Before Self-Destruction

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This photo, made available by SpaceX Thursday, shows the company's Falcon 9 rocket launching from Kennedy Space Center's historic Pad 39A in Cape Canaveral, Fla. SpaceX hide caption

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SpaceX

SpaceX Reuses A Rocket To Launch A Satellite

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The Fight For Pluto's Fate As A Planet Continues

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Chuck Berry Immortalized On Voyager Space Mission

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An artist's impression of a white dwarf in an extremely close orbit around what's believed to be a black hole. The star is so close that much of its material is being pulled away. X-ray: NASA/CXC/University of Alberta/A.Bahramian et al.; Illustration: NASA/CXC/M.Weiss hide caption

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X-ray: NASA/CXC/University of Alberta/A.Bahramian et al.; Illustration: NASA/CXC/M.Weiss

NASA astronaut Kate Rubins floats in the International Space Station in September 2016, wearing a spacesuit decorated by patients recovering at the MD Anderson Cancer Center. NASA Johnson/Flickr hide caption

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NASA Johnson/Flickr

A Microbe Hunter Plies Her Trade In Space

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That's no ravioli! Pan, one of Saturn's moons, bears more than a passing resemblance to a certain stuffed pasta. NASA/JPL-Caltech/Space Science Institute hide caption

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NASA/JPL-Caltech/Space Science Institute

An image of Western Hemisphere lightning storms, captured Feb. 14 over the course of one hour. Brighter colors indicate more lightning energy was recorded (the key is in kilowatt-hours of total optical emissions from lightning.) The most powerful storm system is located over the Gulf Coast of Texas. MATLAB/National Oceanic and Atmospheric Administration hide caption

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MATLAB/National Oceanic and Atmospheric Administration

Trent Barton, a volunteer for the study looking at pressure inside the brain during space flights. Courtesy of David Ham hide caption

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Courtesy of David Ham

Doctor Launches Vision Quest To Help Astronauts' Eyeballs

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Women Of NASA To Be Given The Lego Treatment

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The Women of NASA featured in the Lego set are (left to right): computer scientist Margaret Hamilton, mathematician Katherine Johnson, astronaut Sally Ride, astronaut Mae Jemison and astronomer Nancy Grace Roman. Maia Weinstock hide caption

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Maia Weinstock