News tagged with dark matter

Dark matter makes a comeback

Recent reports of dark matter’s demise may be greatly exaggerated, according to a new paper from researchers at the Institute for Advanced Study. ...

May 22, 2012
4 / 5 (13) 19

Prof explores universe through gravity lens studies

(Phys.org) -- The National Science Foundation recently awarded Dr. Mustapha Ishak-Boushaki, associate professor of physics at UT Dallas, a $222,000 research grant for his investigations of the gravitational lensing technique ...

Apr 30, 2012
5 / 5 (1) 0 | with audio podcast

Discovery of the Musket Ball Cluster

(Phys.org) -- Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched ...

Apr 12, 2012
4.8 / 5 (4) 5 | with audio podcast

Dark matter core defies explanation

(PhysOrg.com) -- Astronomers using data from NASA's Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters of galaxies. The result could ...

Mar 02, 2012
4.9 / 5 (26) 87 | with audio podcast

Mystery deepens around dark core in cosmic collision

Five years ago, San Francisco State researcher Andisheh Mahdavi and his colleagues observed an unexpected dark core at the center of Abell 520, a cosmic "train wreck" of galaxy clusters. With new space-based telescope observations, ...

Mar 02, 2012
4.7 / 5 (12) 17 | with audio podcast