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Nov 19, 2015 09:01 PM ET // Ian O'Neill
While measuring the speed of stars whirling around a nearby dwarf galaxy, astronomers have realized that a reservoir of dark matter may be lurking within.
Nov 19, 2015 07:00 AM ET // Ian O'Neill
Astronomers have detected something baffling at the furthest frontiers of our observable universe: lots of massive galaxies that shouldn't even exist.
Nov 17, 2015 06:58 PM ET // Ian O'Neill
Shimmering deep inside a cosmic supervoid is MCG+01-02-015, a pristine galaxy that is the undisputed galactic loner of the universe.
Nov 9, 2015 08:39 AM ET // Stuart Gary, ABC Science Online
The explosion in a distant galaxy cluster is ongoing and has been continuing for the last 100 million years.
Oct 29, 2015 03:30 PM ET // Calla Cofield,
A group of young stars has been caught loitering near the center of the Milky Way galaxy, a region previously thought to be dominated by a more mature population.
Sep 23, 2015 01:00 PM ET // Irene Klotz
Distant galaxies birthing baby stars up to 1,000 times the rate of the Milky Way have been a long-standing mystery -- until now.
Sep 22, 2015 04:01 PM ET // Ian O'Neill
As stars whip around our galaxy's supermassive black hole, they should generate their own special kind of 'sonic boom' -- could astronomers detect them?
Sep 16, 2015 04:27 PM ET // Ian O'Neill
After surveying some promising galactic candidates, an astronomer has concluded that there is little to no evidence for any super-advanced alien civilizations in our local universe.
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