Bizarre Cometlike Alien Planet Is First of Its Kind
Exoplanet GJ 436b
June 25th, 2015
A Neptune-size planet with a giant plume of gas streaming behind it like a comet's tail has been discovered by astronomers, and is the first such planet ever discovered.
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The Moon's Puzzling Dust Cloud Finally Yields an Answer
Artist's Conception of Dust Around the Moon
June 18th, 2015
The moon is surrounded by a permanent dust cloud likely caused by comet particle collisions, new observations reveal. NASA's LADEE moon dust probe data suggests the lunar dust cloud that is different than that seen by astronauts on Apollo 15 and 17.
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SpaceX Rocket Fails During Cargo Launch to Space Station
SpaceX's Falcon 9 rocket and Dragon cargo spacecraft broke up shortly after liftoff on June 28. The craft disappeared behind a cloud of smoke and left behind bits of falling debris.
June 28th, 2015
An unmanned SpaceX cargo mission crashed back to Earth today (June 28), marking the third failure of a resupply flight to the International Space Station in the past eight months. SpaceX and NASA officials still aren't sure exactly what happened.
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140 Million Suns! Monster Black Hole Weighs In
Galaxy NGC 1097
June 23rd, 2015
A monster black hole in the heart of a barred spiral galaxy called NGC 1097 has the mass of 140 million suns, according to new measurements. A vivid video by the National Radio Astronomy Observatory describes how researchers "weighed" the black hole.
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It's Alive! Comet Lander Philae Phones Home After Months of Silence
The European Space Agency's Philae comet lander is seen by the Rosetta spacecraft in this image captured on Nov. 12, 2014 as Philae headed for its landing on Comet 67P/Churyumov-Gerasimenko. The probe went silent 60 hours later and reawakened on June 13,
June 15th, 2015
A European probe that made a bouncy landing on a comet last year and then slipped into an silent hibernation is alive again and phoning home. The Philae comet lander on Comet 67P/Churyumov-Gerasimenko beamed its "alive" signal home on Saturday, June 13.
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Mystery on Mercury: Strange Pattern of Huge Cliffs Defy Explanation
Mercury's Southern Polar Region
June 11th, 2015
A baffling new mystery has turned up on Mercury — a pattern of giant cliffs and ridges on the planet's surface that defies any explanation that scientists have currently been able to offer.
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Saturn's Moon Titan Has Polar Winds, Just Like Earth
Titan in October 2004
June 19th, 2015
In our solar system, the objects with rainfall, rivers and oceans can be counted on two fingers: Earth, and Saturn's moon Titan. Both also share a thick atmosphere, rocky ground and plate tectonics.
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