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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 2, 2015 03:48 PM ET // Ian O'Neill
Recent observations of the gaps in protoplanetary disks surrounding nearby young stars may not be 'proof' of the formation of exoplanets.
Oct 28, 2015 07:00 AM ET // Irene Klotz
An object that is believed to be a spent rocket body or other component from a lunar-bound spacecraft will make a fiery return to Earth on Nov. 13, likely burning up in the process.
Oct 19, 2015 12:34 PM ET // Ian O'Neill
Like a woodworm-infested log, new photos from NASA's New Horizons mission of dwarf planet Pluto have revealed a pockmarked terrain that is as puzzling as it is beautiful.
Oct 7, 2015 02:55 PM ET // Ian O'Neill
Our universe is actually really simple, it's just our cosmological theories that are getting needlessly complex, argues one of the world's leading theoretical physicists.
Oct 1, 2015 12:40 PM ET // Mike Wall,
New maps of Ceres show the dwarf planet's mysterious bright spots and huge, pyramid-shaped mountain in a new light.
Sep 24, 2015 08:27 PM ET // Ian O'Neill
In a new image release from NASA's Pluto mission, there's yet another landscape that, for now, defies explanation.
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