Gravitational telescope creates space invader mirage
(Phys.org)—The NASA/ESA Hubble Space Telescope is one of the most powerful available to astronomers, but sometimes it too needs a helping hand. This comes in the form of Einstein's general theory of relativity, ...
Abell 383: Getting a full picture of an elusive subject
(Phys.org)—Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located ...
Dark matter and galaxies part ways in collision between hefty galaxy clusters
(Phys.org)—This composite image shows the distribution of dark matter, galaxies, and hot gas in the core of the merging galaxy cluster Abell 520, formed from a violent collision of massive galaxy clusters ...
Scientists sense breakthroughs in dark-matter mystery
For decades, the strange substance called dark matter has teased physicists, challenging conventional notions of the cosmos.
MOND used to predict key property in Andromeda's satellites
Using modified laws of gravity, researchers from Case Western Reserve University and Weizmann Institute of Science closely predicted a key property measured in faint dwarf galaxies that are satellites of the nearby giant ...
NASA Goddard team to participate in dark energy mission
The European Space Agency (ESA) has selected three NASA-nominated science teams to participate in their planned Euclid mission, including one led by NASA's Goddard Space Flight Center in Greenbelt, Md.
Where are all the dwarfs?
Astronomers of the international CLUES collaboration have identified "Cosmic Web Stripping" as a new way of explaining the famous missing dwarf problem: the lack of observed dwarf galaxies compared with that ...
Cool, new views of Andromeda galaxy
(Phys.org)—Two new eye-catching views from the Herschel space observatory are fit for a princess. They show the elegant spiral galaxy Andromeda, named after the mythical Greek princess known for her beauty.
Revolutionary theory of dark matter
The universe abounds with dark matter. Nobody knows what it consists of. University of Oslo physicists have now launched a very hard mathematical explanation that could solve the mystery once and for all.
Physicists looking to test theory of 'cosmic domain walls'
Dark matter made visible before the final cut
Research findings from the University of North Carolina School of Medicine are shining a light on an important regulatory role performed by the so-called dark matter, or "junk DNA," within each of our genes.
How do you know if you ran through a wall? Testing the nature of dark energy and dark matter
(Phys.org)—Researchers from Canada, California, and Poland have devised a straightforward way to test an intriguing idea about the nature of dark energy and dark matter. A global array of atomic magnetometers ...
Are we closing in on dark matter?
As the search for dark matter intensifies, the Kavli Institute for Cosmological Physics at the University of Chicago and the National Academy of Sciences organized a colloquium that brings together cosmologists, ...
Hubble spots a peculiar compact Blue Dwarf Galaxy
(Phys.org)—The NASA/ESA Hubble Space Telescope captured an impressive image of the irregular galaxy NGC 5253.