3/2/2012STScI-2012-102.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)
2/17/2012STScI-2012-113.NASA's Hubble Spots a Relic from a Shredded Galaxy
Astronomers using NASA's Hubble Space Telescope may have found evidence for a cluster of young, blue stars encircling HLX-1, one of the first intermediate-mass... (More)
2/2/2012STScI-2012-084.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)
1/11/2012STScI-2012-045.Hubble Zooms in on Double Nucleus in Andromeda Galaxy
A new Hubble Space Telescope image centers on the 100-million-solar-mass black hole at the hub of the neighboring spiral galaxy M31, or the Andromeda galaxy... (More)
1/11/2012STScI-2012-036.Rare Ultra-blue Stars Found in Neighboring Galaxy's Hub
Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars. (More)
10/27/2011STScI-2011-309.Astronomers Pin Down Galaxy Collision Rate
A new analysis of Hubble surveys, including the All-Wavelength Extended Groth Strip International Survey (AEGIS), the Cosmological Evolution Survey (COSMOS), and the Great Observatories... (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)
9/29/2011STScI-2011-2811.Space Telescopes Reveal Secrets of Turbulent Black Hole
An international team of astronomers using five different telescopes has uncovered striking features around a supermassive black hole in the core of the distant... (More)
6/22/2011STScI-2011-1712.Pandora's Cluster – Clash of the Titans
A team of scientists studying the galaxy cluster Abell 2744, nicknamed Pandora's Cluster, have pieced together the cluster's complex and violent history using telescopes... (More)
5/23/2011STScI-2011-1514.Hubble Views the Star that Changed the Universe
Though the universe is filled with billions upon billions of stars, NASA's Hubble Space Telescope has been trained on a single variable star that in 1923 altered... (More)
5/12/2011STScI-2011-1415.Galaxy NGC 4214: A Star-Formation Laboratory
The dwarf galaxy NGC 4214 is ablaze with young stars and gas clouds. Located around 10 million light-years away in the constellation of Canes Venatici (The Hunting Dogs), the galaxy's... (More)
4/12/2011STScI-2011-1217.NASA Telescopes Help Discover Surprisingly Young Galaxy
Astronomers have uncovered one of the youngest galaxies in the distant universe, with stars that formed 13.5 billion years ago, a mere 200 million years after the Big Bang. (More)
3/14/2011STScI-2011-0818.NASA's Hubble Rules Out One Alternative to Dark Energy
Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion... (More)
2/17/2011STScI-2011-0619.Hubble Shows New Image of Spiral Galaxy NGC 2841
NASA's Hubble Space Telescope reveals a majestic disk of stars and dust lanes in this view of the spiral galaxy NGC 2841, which lies 46 million light-years... (More)
1/13/2011STScI-2011-0320.The Two-faced Whirlpool Galaxy
These images by NASA's Hubble Space Telescope show off two dramatically different face-on views of the spiral galaxy M51, dubbed the Whirlpool Galaxy. ... (More)