Astronomy

Articles:
59 The first stars and their immediate successors should be found today in the central regions (bulges) of galaxies; old, metal-poor stars have now been found in the Milky Way bulge, including one star with an iron abundance about 10,000 times lower than that of the Sun without noticeable carbon enhancement, making it possibly the oldest known star in the Galaxy.
http://www.nature.com/nature/journal/v527/n7579/full/nature15747.html

58 Abundant molecular oxygen in the coma of comet 67P/Churyumov–Gerasimenko.
http://www.nature.com/nature/journal/v526/n7575/full/nature15707.html

57 The Pluto system: Initial results from its exploration by New Horizons.
http://www.sciencemag.org/content/350/6258/aad1815.abstract

56 Reconstructing the transport history of pebbles on Mars.
http://www.nature.com/ncomms/2015/151013/ncomms9366/full/ncomms9366.html

55 Growing the gas-giant planets by the gradual accumulation of pebbles.
http://www.nature.com/nature/journal/v524/n7565/full/nature14675.html

54 Tracing the ingredients for a habitable earth from interstellar space through planet formation.
http://www.pnas.org/content/112/29/8965.abstract

53 Extreme ultraviolet imaging of three-dimensional magnetic reconnection in a solar eruption.
http://www.nature.com/ncomms/2015/150626/ncomms8598/full/ncomms8598.html

52 Earth-like aqueous debris-flow activity on Mars at high orbital obliquity in the last million years.
http://www.nature.com/ncomms/2015/150623/ncomms8543/full/ncomms8543.html

51 A primordial origin for the compositional similarity between the Earth and the Moon.
http://www.nature.com/nature/journal/v520/n7546/full/nature14333.html

50 Explosive lithium production in the classical nova V339 Del (Nova Delphini 2013).
http://www.nature.com/nature/journal/v518/n7539/full/nature14161.html

49 The morphological diversity of comet 67P/Churyumov-Gerasimenko.
http://www.sciencemag.org/content/347/6220/aaa0440.abstract

48 The organic-rich surface of comet 67P/Churyumov-Gerasimenko as seen by VIRTIS/Rosetta.
http://www.sciencemag.org/content/347/6220/aaa0628.abstract

47 Evidence for basaltic volcanism on the Moon within the past 100 million years.
http://www.nature.com/ngeo/journal/v7/n11/abs/ngeo2252.html

46 A supermassive black hole in an ultra-compact dwarf galaxy.
http://www.nature.com/nature/journal/v513/n7518/full/nature13762.html

45 Analysis of the Moon's topography reveals that when its largest basins are removed, the lunar shape is consistent with processes controlled by early Earth tides, and implies a reorientation of the Moon's principal shape axes.
http://www.nature.com/nature/journal/v512/n7513/full/nature13639.html

44 Isotopic oxygen measurements suggest that the Moon comprises material distinct from Earth’s mantle.
http://www.sciencemag.org/content/344/6188/1146.abstract

43 The saturnian moon is differentiated and likely hosts a regional subsurface sea at its southern pole.
http://www.sciencemag.org/content/344/6179/78.abstract

42 Observations of an extreme storm in interplanetary space caused by successive coronal mass ejections.
http://www.nature.com/ncomms/2014/140318/ncomms4481/full/ncomms4481.html

41 Observations of a protostellar envelope and disk (from which planets should form) in the relatively close star-forming region of the Taurus molecular cloud reveal unexpected chemistry in the gas between the envelope and the disk: the unsaturated hydrocarbon molecule cyclic-C3H2 and sulphur monoxide.
http://www.nature.com/nature/journal/v507/n7490/full/nature13000.html

40 Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts.
http://www.nature.com/ncomms/2013/131119/ncomms3795/full/ncomms3795.html

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