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New Proof Unknown "Structures" Tug at Our Universe

In 2008 scientists reported the discovery of hundreds of galaxy clusters streaming in the same direction at more than 2.2 million miles (3.6 million kilometers) an hour.

This mysterious motion can't be explained by current models for distribution of mass in the universe. So the researchers made the controversial suggestion that the clusters are being tugged on by the gravity of matter outside the known universe.

Now the same team has found that the dark flow extends even deeper into the universe than previously reported: out to at least 2.5 billion light-years from Earth.

The find adds to the case that chunks of matter got pushed outside the known universe shortly after the big bang—which in turn hints that our universe is part of something larger: a multiverse.

http://news.nationalgeographic.com/news/2010/03/100322-dark-flow-matter-outside-universe-multiverse/

Expanding the theory I also found the article below:

Every Black Hole Contains Another Universe?

In a recent paper published in the journal Physics Letters B, Indiana University physicist Nicodem Poplawski presents new mathematical models of the spiraling motion of matter falling into a black hole. His equations suggest such wormholes are viable alternatives to the "space-time singularities" that Albert Einstein predicted to be at the centers of black holes.

According to Einstein's equations for general relativity, singularities are created whenever matter in a given region gets too dense, as would happen at the ultradense heart of a black hole.

Einstein's theory suggests singularities take up no space, are infinitely dense, and are infinitely hot—a concept supported by numerous lines of indirect evidence but still so outlandish that many scientists find it hard to accept.

If Poplawski is correct, they may no longer have to.

According to the new equations, the matter black holes absorb and seemingly destroy is actually expelled and becomes the building blocks for galaxies, stars, and planets in another reality.

http://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/

Oxygen-Free Animals Discovered—A First

Deep in the Mediterranean, scientists have discovered the first complex animals known to live without oxygen.

It was previously thought that only viruses and single-celled microbes could survive without oxygen long-term.

But three new species of multicellular animals found during recent research expeditions live comfortably in oxygen-free depths, said team leader Roberto Danovaro of Italy's Polytechnic University of Marche.

"The bodies of multicellular animals have previously been discovered [in oxygen-free zones] but were thought to have sunk there from upper, oxygenated waters," Danovaro said in a statement. "Our results indicate that the animals we recovered were alive. Some, in fact, also contained eggs."

The new animals are microscopic—each measuring less than a millimeter across—and they resemble tiny jellyfish.

The creatures seem to thrive in the extremely salty sediments of the Mediterranean seafloor, one of the most extreme environments on Earth.

http://news.nationalgeographic.com/news/2010/04/100416-oxygen-free-complex-animals-mediterranean/

Research Illuminates the Shape of Dark Matter's Distribution
A thorough examination of the shape of dark matter's distribution in the cosmos may open up a new way to explore the nature of this enigmatic matter.

The nature of dark matter is still unknown and is currently a central problem in modern astronomy and physics. Dark matter is "dark" in a couple of ways. It is undetectable to visible light and has escaped detection at all electromagnetic wavelengths. Because it is invisible, its existence has to be inferred from its gravitational effect on other celestial objects as well as from theoretical models. Indirect evidence has established its relative abundance in our universe — probably 5 times greater than visible matter — in addition to its significance for understanding galaxy formation. For example, a considerable amount of dark matter probably sustains the structure of galaxies because the gravitational force of visible matter cannot bind its member stars. The scientific challenge is how to study the nature of dark matter. Astronomers seek ways to use their observations to solve this puzzle.

A team of astronomers led by Masamune Oguri, at the National Astronomical Observatory of Japan, and Masahiro Takada, at the University of Tokyo, decided to use gravitational lensing to measure and analyze the distribution of dark matter. Gravitational lensing provides a unique opportunity to explore dark matter distributions by measuring the distances that light travels from distant to foreground objects. Einstein's general theory of relativity predicts that light from a distant object will bend around a massive object in the foreground, such as a cluster of galaxies or a concentration of dark matter. By measuring the distortion pattern of many distant galaxies, it is possible to infer the mass(es) of the object(s) in the foreground. Because the technique does not rely on assumptions about the visibility of the matter bending the light, gravitational lensing can be a powerful probe of dark matter.

http://www.astronomy.com/asy/default.aspx?c=a&id=9802