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Tracing the cosmic web with star-forming galaxies in the distant universe
A research group led by Hiroshima University has revealed a picture of the increasing fraction of massive star-forming galaxies in the distant universe. (2017-01-31)
Dark matter satellites trigger massive birth of stars
Laura Sales, an assistant professor at the University of California, Riverside's Department of Physics and Astronomy, collaborated with Tjitske Starkenburg and Amina Helmi, both of the Kapteyn Astronomical Institute in The Netherlands, to present a novel analysis of computer simulations, based on theoretical models, that study the interaction of a dwarf galaxy with a dark satellite. (2016-03-09)
Scientists discover how supermassive black holes keep galaxies turned off
As galaxies evolve, they quench their star formation and turn into featureless deserts, devoid of fresh new stars. (2016-05-25)
Glimpse at early universe reveals surprisingly mature galaxies
A rare glimpse back in time into the universe's early evolution has revealed something startling: mature, fully formed galaxies where scientists expected to discover little more than infants. (2004-07-07)
Young, thin and hyperactive: That's what outlier galaxies look like
A new theory offers an explanation of outliers galaxies in the Galaxy Main Sequence related to an in situ (internal) process of galaxy evolution. (2016-12-13)
Fat or flat: Getting galaxies into shape
Australian astronomers have discovered what makes some spiral galaxies fat and bulging while others are flat discs -- and it's all about how fast they spin. (2014-02-27)
Interactive dark matter could explain Milky Way's missing satellite galaxies
Scientists believe they have found a way to explain why there are not as many galaxies orbiting the Milky Way as expected. (2014-09-08)
New insights into the 'hidden' galaxies of the universe
A unique example of some of the lowest surface brightness galaxies in the universe have been found by an international team of astronomers lead by the Niels Bohr Institute. (2011-06-14)
Astronomers discover earliest black holes at dawn of universe
A team of astronomers has discovered the earliest black holes ever detected, despite the fact that they are hidden from view by their host galaxies. (2011-06-15)
Hubble pinpoints farthest protocluster of galaxies ever seen
Using NASA's Hubble Space Telescope, astronomers have uncovered a cluster of galaxies in the initial stages of development. (2012-01-10)
Oxygen-deficient dwarf galaxy hints at makings of early universe
Astronomers have long searched for understanding of how the universe assembled from simplicity to complexity. (2017-09-25)
NASA's Hubble observes young dwarf galaxies bursting with stars
Using its near-infrared vision to peer nine billion years back in time, NASA's Hubble Space Telescope has uncovered an extraordinary population of young dwarf galaxies brimming with star formation. (2011-11-10)
Why massive galaxies don't dance in crowds
Australian scientists have discovered why heavyweight galaxies living in a dense crowd of galaxies tend to spin more slowly than their lighter neighbours. (2017-08-09)
New evidence for dark dwarf galaxies supports dark matter theory
Two scientists have found evidence that galaxies are surrounded by halos containing hundreds of invisible dwarf galaxies. (2002-05-20)
Verdict: Supermassive black holes not guilty of shutting down star formation
A team of Yale University astronomers has discovered that galaxies stop forming stars long before their central supermassive black holes reach their most powerful stage, meaning the black holes can't be responsible for shutting down star formation. (2009-01-21)
NGC 4696: A cosmic question mark
Curling around itself like a question mark, the unusual looking galaxy NGC 4696 itself begs many questions. (2010-08-12)
Some galaxies in the early universe grew up quickly
Most of the galaxies that have been observed from the early days of the universe were young and actively forming stars. (2014-03-11)
NASA's Hubble finds dwarf galaxies formed more than their fair share of universe's stars
They may be little, but they pack a big star-forming punch. (2014-06-19)
Weighing the Milky Way
Does the Milky Way look fat in this picture? Has Andromeda been taking skinny selfies? (2014-07-29)
Primordial galaxy bursts with starry births
Peering deep into time with one of the world's newest, most sophisticated telescopes, astronomers have found a galaxy -- AzTEC-3 -- that gives birth annually to 500 times the number of suns as the Milky Way galaxy, according to a new Cornell University-led study published Nov. (2014-11-12)
Largest atlas of nuclear galactic rings unveiled
An international team of astrophysicists has just unveiled the most complete atlas of nuclear rings, enormous star-forming ring-shaped regions that circle certain galactic nuclei. (2010-04-29)
Satellite galaxies at edge of Milky Way coexist with dark matter, says RIT study
Research conducted by scientists at Rochester Institute of Technology rules out a challenge to the accepted standard model of the universe and theory of how galaxies form by shedding new light on a problematic structure. (2017-03-30)
Supermassive black holes found in 2 tiny galaxies
U astronomers and colleagues have found two ultra-compact dwarf galaxies with supermassive black holes, the second and third such galaxies found to harbor the objects. (2017-04-17)
The post Big Bang revelead
One billion year after the Big Bang, the Universe is observed to be reheated, and hydrogen is again ionize. (2016-01-13)
Iconic rings and flares of galaxies created by violent, intergalactic collisions
The bright pinwheels and broad star sweeps iconic of disk galaxies such as the Milky Way might all be the shrapnel from massive, violent collisions with other galaxies and galaxy-size chunks of dark matter, according to a multi-institutional project involving the University of Pittsburgh. (2008-11-21)
Huge Galaxy May Steal Star Clusters From Other Galaxies
Johns Hopkins astronomers have found evidence that a huge galaxy 50 million light years from Earth is powerful enough to strip whole clusters of stars from neighboring galaxies. (1998-01-07)
The Antennae Galaxies move closer
New research on the Antennae Galaxies using the Advanced Camera for Surveys onboard the NASA/ESA Hubble Space Telescope shows that this benchmark pair of interacting galaxies is in fact much closer than previously thought -- 45 million light-years instead of 65 million light-years. (2008-05-09)
Hubble goes to the eXtreme to assemble farthest-ever view of the universe
Like photographers assembling a portfolio of best shots, astronomers have assembled a new, improved portrait of mankind's deepest-ever view of the universe. (2012-09-25)
Key theory of galaxy formation no longer conflicts with observations
Astrophysicists led by the University of Chicago's Andrey Kravtsov have resolved an embarrassing contradiction between a favored theory of how galaxies form and what astronomers see in their telescopes. (2004-06-08)
The giant that turned out to be a dwarf
New data obtained on the apparent celestial couple, NGC 5011 B and C, taken with the 3.6-m ESO telescope, reveal that the two galaxies are not at the same distance, as was believed for the past 23 years. (2007-03-07)
Wild 'teenage' galaxies booming with star births
Scientists from the Niels Bohr Institute have been studying distant galaxies, which are among the most active star-forming galaxies in the Universe. (2010-10-11)
Green Pea galaxies could help astronomers understand early universe
The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early universe, say University of Michigan researchers. (2013-04-03)
Astronomers find 7 dwarf galaxies with new telescope
Meet the seven new dwarf galaxies. Yale University astronomers, using a new type of telescope made by stitching together telephoto lenses, recently discovered seven celestial surprises while probing a nearby spiral galaxy. (2014-07-10)
Dwarf galaxies need dark matter too, U-M astronomers say
Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, University of Michigan astronomers have found. (2007-10-24)
Suspects in the quenching of star formation exonerated
Some supermassive black holes power luminous, rapidly growing objects called active galactic nuclei (AGN) that gather and condense enormous quantities of matter. (2011-10-11)
A galaxy of deception
Astronomers usually have to peer very far into the distance to see back in time, and view the Universe as it was when it was young. (2014-09-25)
Using powerful Dark Energy Camera, scientists reach the cosmic dawn
Arizona State University astronomers Sangeeta Malhotra and James Rhoads, working with international teams in Chile and China, have discovered 23 young galaxies, seen as they were 800 million years after the Big Bang. (2017-07-26)
Globular clusters tell tale of star formation in nearby galaxy metropolis
The NASA/ESA Hubble Space Telescope has identified thousands of more than 5 billion year-old globular clusters in the Virgo cluster of galaxies. (2008-08-05)
Split-personality elliptical galaxy holds a hidden spiral
Most big galaxies fit into one of two camps: pinwheel-shaped spiral galaxies and blobby elliptical galaxies. (2012-10-22)
Very distant galaxy cluster confirmed
The structures and star populations of massive galaxies appear to change as they age, but much about how these galaxies formed and evolved remains mysterious. (2014-05-21)
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