Planetary Science
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Planetary ScienceComet 67P shows no sign of magnetism
Philae found no evidence of a magnetic field on comet 67P/Churyumov-Gerasimenko, but did send back some clues about its rough landing.
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Planetary ScienceA modest Plutonian proposal
Flagstaff, Echidna, Spock. Naming conventions for the landscapes of Pluto and its moons are proposed ahead of the arrival of the New Horizons probe.
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AstronomyCyanides around young star signal complex organic chemistry
Abundances of cyanide compounds around a young star match those found in comets in our solar system.
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Planetary ScienceMinisatellites could detect dangerous asteroids, researchers propose
Five tiny telescopes orbiting the sun could provide early warning for an Earth-bound asteroid, though other researchers disagree.
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Planetary ScienceNASA has a plan for putting rock from asteroid in moon’s orbit
NASA selects concept for its Asteroid Redirect Mission, which will let astronauts train for future missions to Mars.
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Planetary SciencePotentially life-friendly nitrogen compounds found on Mars
“Fixed” nitrogen has been found in Mars deposits, raising the possibility that ancient life could have used it to build biomolecules.
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Planetary ScienceEarth, neighbors weren’t the first rocky planets in the solar system
Jupiter might have swept an earlier generation of rocky planets into the sun, leaving room for Earth and its neighbors to form.
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AstronomySolo planets may be surprisingly common
Rogue planets may form as stars do, but on a smaller scale, or they may go forced out of orbit during planetary ping-pong. Researchers are scanning the skies for them.
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Planetary ScienceBright patches on Ceres are plumes of water, maybe
Bright patches on Ceres could be plumes of water venting into space.
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Planetary ScienceMartian aurora, high-altitude dust clouds surprise scientists
Surprise auroras and mystery dust clouds dance in the Martian atmosphere, NASA’s newest Mars orbiter discovers.
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AstronomyFast-spinning young Earth pulled the moon into a yo-yo orbit
The early moon’s orbit created a cycle between lunar phases unlike the one seen nowadays.
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Planetary ScienceAurora shift confirms Ganymede’s ocean
New observations confirm the presence of a liquid saltwater ocean beneath the surface of Jupiter’s largest moon, Ganymede.