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Hubble sees monstrous cloud boomerang back to our galaxy

Hubble Space Telescope astronomers are finding that the old adage 'what goes up must come down' even applies to an immense cloud of hydrogen gas outside our Milky Way galaxy. The invisible cloud is plummeting toward our galaxy at nearly 700,000 miles per hour.

Posted: Jan 29th, 2016

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Theorists propose a new method to probe the beginning of the universe

The beginning of the cosmos is cloaked and hidden from the view of our most powerful telescopes. Yet observations we make today can give clues to the universe's origin. New research suggests a novel way of probing the beginning of space and time to determine which of the competing theories is correct.

Posted: Jan 25th, 2016

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Researchers find evidence of a real ninth planet

Researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune.

Posted: Jan 20th, 2016

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Green pea galaxy provides insights to early universe evolution

Newly formed dwarf galaxies were likely the reason that the universe heated up about 13 billion years ago, according to new work by an international team of scientists. The finding opens an avenue for better understanding the early period of the universe's 14 billion year history.

Posted: Jan 14th, 2016

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Building concrete shelters on Mars

Researchers developed a Martian concrete using materials naturally found on the planet. The high-strength concrete can be quickly created and is durable enough to withstand meteorite impacts - a key element needed to create viable shelters for humans.

Posted: Jan 8th, 2016

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Galaxy quakes could improve hunt for dark matter

A trio of brightly pulsating stars at the outskirts of the Milky Way is racing away from the galaxy and may confirm a method for detecting dwarf galaxies dominated by dark matter and explain ripples in the outer disk of the galaxy.

Posted: Jan 8th, 2016

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