3/5/2013STScI-2013-092.Gravitational Lens Creates Cartoon of Space Invader
The universe is eerie enough without giving us an apparition of a 1980s video game alien attacker. This oddball-looking object is really a mirage created by the gravitational... (More)
2012
11/30/2012STScI-2012-423.'Dark Core' May Not Be So Dark After All
Now you see it, now you don't. Douglas Clowe of Ohio University in Athens, Ohio, is reporting on new Hubble observations that do not find an unusually... (More)
3/2/2012STScI-2012-107.Dark Matter Core Defies Explanation in Hubble Image
Astronomers observed what appeared to be a clump of dark matter left behind during a bizarre wreck between massive clusters of galaxies. The dark matter collected... (More)
2/2/2012STScI-2012-088.Hubble Zooms in on a Magnified Galaxy
A team of astronomers aimed Hubble at one of the most striking examples of gravitational lensing, a nearly 90-degree arc of light in the galaxy cluster RCS2 032727-132623. (More)
10/13/2011STScI-2011-2510.Ambitious Hubble Survey Obtaining New Dark Matter Census
Cluster MACS J1206.2-0847 (or MACS 1206 for short) is one of the first targets in a Hubble Space Telescope survey that will allow astronomers to construct... (More)