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Search for advanced civilizations beyond Earth finds nothing obvious in 100,000 galaxies

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced civilizations in them. "The idea behind our research is that, if an entire galaxy had been colonized by an advanced spacefaring civilization, the energy produced by that civilization's technologies would be detectable in mid-infrared wavelengths—exactly the radiation that the WISE satellite was designed to detect for other astronomical purposes," said Jason T. Wright, an assistant professor of...

ALMA sees Einstein ring in stunning image of lensed galaxy

Astronomers have discovered that a distant galaxy—seen from Earth with the aid of a gravitational lens—appears like a cosmic ring, thanks to the highest resolution images ever taken with the Atacama Large Millimeter/submillimeter Array (ALMA).

The Real Story Of Apollo 17... And Why We Never Went Back To The Moon

On December 11, 1972, Apollo 17 touched down on the Moon. This was not only our final Moon landing, but the last time we left Low Earth Orbit. With the successful launch of the Orion capsule, NASA is finally poised to go further again. So it's important to remember how we got to the Moon -- and why we stopped going.

Good night, Philae | Science News

Philae, shown superimposed on a panorama of images taken by the lander, has gone into idle mode after its batteries depleted. Its position in the shadows of a cliff prevent its solar panels from receiving enough sunlight to continue to operate.

Tweak to dark matter may explain Milky Way mystery | Science News

Dozens of tiny galaxies known as satellite galaxies orbit the Milky Way, but theorists predict there should be hundreds. Now a team of astronomers offers a new resolution to this conflict between observation and theory: Maybe dark matter, the mysterious substance thought to bind galaxies together, isn’t quite so dark. The researchers propose that radiation might have stirred up dark matter in the early universe, preventing the formation of satellites.

The mystery of the missing satellite galaxies has bedeviled astronomers for more than a decade. While dark matter has...

Galaxies in filaments spaced like pearls on a necklace - New Scientist

Galaxies like to keep their distance – 30 million light years of it, to be precise. An analysis of thousands of galaxies finds that they are strung like pearls on a necklace, even on relatively small scales.

A closer look at the perfect fluid sheds light on what happened microseconds after the Big Bang -- ScienceDaily

By combining data from two high-energy accelerators, nuclear scientists have refined the measurement of a remarkable property of exotic matter known as quark-gluon plasma. The findings reveal new aspects of the ultra-hot, 'perfect fluid' that give clues to the state of the young universe just microseconds after the Big Bang.

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