26 Observations of the galaxy NGC 253 show that the cool molecular wind from the central starburst region limits star-formation activity and the final stellar content.
http://www.nature.com/nature/journal/v499/n7459/full/nature12351.html
25 Data from the Curiosity rover provide a detailed account of the chemical and isotopic composition of Mars’ atmosphere.
http://www.sciencemag.org/content/341/6143/260.abstract
24 The Voyager 1 spacecraft entered an unexpected region of the heliosphere at the boundary with interstellar space.
http://www.sciencemag.org/content/341/6142/144.abstract
23 The narrow rings seen in some debris disks, thought to be evidence for hidden exoplanets, might instead be caused by gas–dust interaction and a recently identified photoelectric instability.
http://www.nature.com/nature/journal/v499/n7457/full/nature12281.html
22 Signatures of Cool Gas Fueling a Star-Forming Galaxy at Redshift 2.3.
http://www.sciencemag.org/content/341/6141/50.abstract
21 An observation of a rare merger of two massive submillimetre bright galaxies that is forming stars at an unexpectedly high rate of 2,000 solar masses a year shows that such mergers can indeed form the most massive elliptical galaxies by about redshift 1.5.
http://www.nature.com/nature/journal/v498/n7454/full/nature12184.html
20 Hydrogen isotope ratios in lunar samples imply a common origin for Earth’s and the Moon’s water.
http://www.sciencemag.org/content/340/6138/1317.abstract
19 The detection of a pocket of trapped particles may provide a hint to understanding the mechanism of planet formation.
http://www.sciencemag.org/content/340/6137/1199.abstract
18 The radiation dose on a round-trip to Mars could represent a large fraction of the accepted lifetime limit for astronauts.
http://www.sciencemag.org/content/340/6136/1080.abstract
17 Observations from the Curiosity rover of rounded pebbles in sedimentary rocks confirm ancient water flows on Mars.
http://www.sciencemag.org/content/340/6136/1068.abstract
16 NASA’s Van Allen Probes revealed an additional, dynamic belt of relativistic particles surrounding Earth.
http://www.sciencemag.org/content/340/6129/186.abstract
15 The domination of Saturn’s low-latitude ionosphere by ring ‘rain’.
http://www.nature.com/nature/journal/v496/n7444/full/nature12049.html
14 Self-Perpetuating Spiral Arms in Disk Galaxies.
http://arxiv.org/abs/1204.0513
13 Detection of Carbon Monoxide and Water Absorption Lines in an Exoplanet Atmosphere.
http://www.sciencemag.org/content/339/6126/1398.abstract
12 The Moon's gravity field reveals that impacts have homogenized the density of the crust and fractured it extensively.
http://www.sciencemag.org/content/339/6120/668.abstract
11 A mass-loss event 40 days before the explosion of the type IIn supernova SN 2010mc has been detected; the outburst indicates that there is a causal relation between explosive mass-loss events seen in some massive stars before their explosion and the onset of the supernova explosion.
http://www.nature.com/nature/journal/v494/n7435/full/nature11877.html
10 An over-massive black hole in the compact lenticular galaxy NGC 1277.
http://www.nature.com/nature/journal/v491/n7426/full/nature11592.html
9 The Shortest-Known–Period Star Orbiting Our Galaxy’s Supermassive Black Hole.
http://www.sciencemag.org/content/338/6103/84.abstract
8 Observations with NASA’s Solar Dynamics Observatory show that the shape of the Sun does not vary with the 11-year solar cycle.
http://www.sciencemag.org/content/337/6102/1638.abstract
7 Hydrogen isotopic analysis of primitive meteorites implicates asteroids as early sources of Earth’s water.
http://www.sciencemag.org/content/337/6095/721.abstract
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