In the next five years or so, scientists are poised to discover proof that space and time can wrinkle in the form of gravitational waves. These waves were predicted almost 100 years ago by Albert Einstein's general theory of relativity, but have yet to be seen. Full story
Artists derive inspiration from some of the most harrowing experiences imaginable, as in Pablo Picasso's "Guernica" or Steven Spielberg's "Schindler's List." Full story
In a cosmic first, astronomers have discovered a black hole chowing down on what may be a giant rogue planet. Full story
Half a century after first getting a bead on quasars, astronomers still lack a basic understanding of how the most luminous objects in the universe work, a prominent researcher says. Full story
Creating microscopic black holes using particle accelerators requires less energy than previously thought, researchers say. Full story
Get zero online traffic? Or getting traffic but can't convert those leads into paying customers? You're not alone. Here are three common mistakes marketers make -- and how to fix them. Full story
Images of Messier 106, a spiral galaxy 20 million light years away, reveal an active black hole and four spiral arms. NBCNews.com's Dara Brown reports.
Imagery from the Chandra X-Ray Observatory reveals a pair of supermassive black holes in NGC 3393, a spiral galaxy similar to the Milky Way.
Using observation equipment on the ISS, researchers see a black hole swallow a star. Msnbc.com's Al Stirrett reports.
An artist's illustration shows a supermassive black hole with millions to billions times the mass of our sun at the center, surrounded by matter flowing onto the black hole in what is termed an accretion disk in this NASA illustration released on February 27, 2013. Supermassive black holes are enorm
This NASA Chandra X-Ray Observatory image obtained February 26, 2013 shows a highly distorted supernova remnant that may contain the most recent black hole formed in the Milky Way galaxy. The composite image combines X-rays from Chandra , radio data from the Very Large Array , and infrared data from
This NASA/ESA Hubble Space Telescope image shows the bright star-forming ring that surrounds the heart of the barred spiral galaxy NGC 1097, a Seyfert galaxy. The larger-scale structure of the galaxy is barely visible. Its comparatively dim spiral arms, which surround its heart in a loose embrace, r
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