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An automated software system played a key role in the discovery of supernova iPTF 14atg and could provide insight, a virtual Rosetta stone, into future supernovae and their underlying physics.
May 22, 2015 Read more
A remote galaxy shining brightly with infrared light equal to more than 300 trillion suns has been discovered using data from NASA's Wide-field Infrared Survey Explorer, or WISE. The galaxy, which belongs to a new class of objects recently discovered by WISE - nicknamed extremely luminous infrared galaxies, or ELIRGs - is the most luminous galaxy found to date.
May 22, 2015 Read more
Astronomers using the Hubble Space Telescope have uncovered surprising new clues about a hefty, rapidly aging star whose behavior has never been seen before in our Milky Way galaxy. In fact, the star is so weird that astronomers have nicknamed it 'Nasty 1', a play on its catalog name of NaSt1. The star may represent a brief transitory stage in the evolution of extremely massive stars.
May 22, 2015 Read more
Astronomers have caught a greedy galaxy gobbling on its neighbours and leaving crumbs of evidence about its dietary past.
May 21, 2015 Read more
Team of astronomers observes supernova smash into companion star; resulting ultraviolet pulse points to supernova's origin story.
May 20, 2015 Read more
Scientists discover dozens of small celestial bodies every night.
May 20, 2015 Read more
This beautiful planetary nebula is named after a dreadful creature from Greek mythology -- the Gorgon Medusa. It is also known as Sharpless 2-274 and is located in the constellation of [Gemini] (The Twins). The Medusa Nebula spans approximately four light-years and lies at a distance of about 1500 light-years. Despite its size it is extremely dim and hard to observe.
May 20, 2015 Read more
Although scientists are increasingly using pint-size satellites sometimes no larger than a loaf of bread to gather data from low-Earth orbit, they have yet to apply the less-expensive small-satellite technology to observe physical phenomena far from terra firma.
May 20, 2015 Read more
New work challenges the accepted view that dark matter is made up of heavy particles.
May 15, 2015 Read more
Astronomers must rethink models about the development of large-scale cosmic structures.
May 14, 2015 Read more
A team of scientists investigated the oxygen isotope and mineral composition of the comet dust returned from Wild 2. In a study published recently, the team discovered an unexpected combination of material that has deepened the mystery of Wild 2's past.
May 14, 2015 Read more
Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, collected a census of young white dwarf stars beginning their migration from the crowded centre of an ancient star cluster to its less populated outskirts. The new results challenge our ideas about how and when a star loses its mass near the end of its life.
May 14, 2015 Read more
Researchers want to improve the way unmanned Mars probes detect condensed aromatic carbon, thought to be a chemical signature of astrobiology.
May 14, 2015 Read more
As murder mysteries go, it's a big one: how do galaxies die and what kills them? A new study has found that the primary cause of galactic death is strangulation, which occurs after galaxies are cut off from the raw materials needed to make new stars.
May 14, 2015 Read more
Researchers discover water vapor may have formed in universe earlier than previously believed.
May 14, 2015 Read more
Observations with ESO's Very Large Telescope in Chile have discovered a new class of 'dark' globular star clusters around the giant galaxy Centaurus A. These mysterious objects look similar to normal clusters, but contain much more mass and may either harbor unexpected amounts of dark matter, or contain massive black holes - neither of which was expected nor is understood.
May 13, 2015 Read more
An amphibious robot that can swim through the oceans of distant moons and planets could be the next iteration of self-sustaining, robotic space exploration.
May 13, 2015 Read more
NASA laboratory experiments suggest the dark material coating some geological features of Jupiter's moon Europa is likely sea salt from a subsurface ocean, discolored by exposure to radiation. The presence of sea salt on Europa's surface suggests the ocean is interacting with its rocky seafloor - an important consideration in determining whether the icy moon could support life.
May 12, 2015 Read more