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VideoNASA probe finds Saturn ring gap emptier than predicted
NASA's Cassini spacecraft sped through a gap between Saturn and its rings for the second time Tuesday after data from the probe's first perilous passage through the unexplored region last week found it to contain fewer potentially hazardous dust particles than expected.
VideoGravitational wave testbed repurposed as comet dust detector
In the final months of Europe's LISA Pathfinder mission, scientists have found an unexpected use for the trailblazing testbed for a future gravitational wave observatory by tracking the tiny dings made by microscopic particles that strike the spacecraft in deep space, exploiting the impacts to learn about the population of dust grains cast off by comets and asteroids across the solar system.
VideoLightning mapper beams back first views from space
A sensitive infrared camera mounted on NOAA's new GOES-16 weather satellite has captured its first astounding images of lightning flashes from a perch more than 22,000 miles out in space.
VideoEurope’s new Mars orbiter gives first taste of science data
A first look at the red planet from the ExoMars Trace Gas Orbiter, now in its second month at Mars, gave scientists a sample of the three-dimensional imagery and detailed atmospheric measurements expected over the spacecraft's five-year mission.
VideoCygnus cargo freighter leaves station, but its mission is not over
A commercial Cygnus supply ship left the International Space Station on Monday after delivering more than 5,000 pounds of cargo and experiments, ready to start a week of standalone operations to include a groundbreaking microgravity fire experiment and deployment of four commercial weather-monitoring CubeSats in orbit.
VideoAtlas 5 launches the most advanced U.S. weather satellite in history
Revolutionizing the way American meteorologists see the weather, likened to the advancement from black and white television to modern high definition TV, a new observatory was successfully launched Saturday by an Atlas 5 rocket to serve as the linchpin to forecasting what tomorrow will bring.
VideoMilestone-setting 100th EELV rocket moves to launch pad
The 100th rocket in America's Evolved Expendable Launch Vehicle program, the current fleet of boosters used by the nation to get its critical assets into space, was rolled to the pad Friday morning for a vital mission on Saturday.
VideoSee Jupiter’s Galilean moons in motion from Juno’s camera
Juno's visible camera had a bird's-eye view of Jupiter's four largest moons over the last few weeks, recording the satellites in their orbital ballet around the giant planet as the spacecraft approached from above Jupiter's north pole.
VideoWith Juno on Jupiter’s doorstep, Hubble eyes glowing Jovian auroras
Peering a half-billion miles across the solar system, the Hubble Space Telescope has caught a glimpse of brilliant auroras flashing over Jupiter's north pole as NASA's Juno orbiter speeds toward the gas giant for a close-up look.
VideoDawn mission expected to go into overtime at Ceres
NASA's robotic Dawn spacecraft is now getting its closest look at the dwarf planet Ceres, the largest resident of the asteroid belt, and mission managers say the probe has enough leftover propellant to keep flying into early 2017, several months beyond the prescribed end of its survey.