The Philae probe, dropped onto a comet by the Rosetta spacecraft, has made contact with a surface thought too hard to be on a comet and has detected a few organic molecules new to comet exploration.
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Fungus, Physics Explain Weird Tresses of Ice
Alfred Wegener, of plate tectonics fame, proposed a link nearly 100 years ago between fungi and "hair ice" on dead wood. A new study has identified the fungus and how it may influence ice structure.
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Leading Companies Take White House Climate Pledge
Alcoa, Cargill, General Motors, Microsoft, and nine other major U.S. companies have committed to cut greenhouse gases as part of a new White House program.
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Pluto Image Shows First Picture of Its Atmosphere
Scientists are amazed by new images that show Pluto's atmosphere and diverse geology.
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Scientists Find "Close Cousin" of Earth
The Kepler space telescope spots a planet in a solar system 1400 light years away that closely resembles Earth in its size, distance from its star, and the type of star it orbits.
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Pluto's Moons Nix and Hydra Show Their Faces
When the New Horizons spacecraft photographed Pluto last week, it snapped the most revealing images yet of two little-known moons of the dwarf planet.
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New Pluto Image Reveals Young Icy Plain
The mottled plain offers additional evidence that Pluto's surface is geologically young—and possibly still active.
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"Amazing" Activity Evident on Pluto's Surface
Scientists struggle to explain perplexing features revealed by the first close-up of the icy body's surface.
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Long-Traveled Spacecraft Buzzes Pluto in Close Flyby
Successful flyby of Pluto completes the first era of planetary reconnaissance, NASA Administrator Charles Bolden says.
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Global Research Push Urged on Environmental Disruption, Extremes
Seven resolutions by the International Union of Geodesy and Geophysics call for increased scientific contributions in areas ranging from environmental threats to energy resources to satellite systems.