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Mapping the family tree of stars

Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees looking at how the stars formed and how they are connected to each other.

Feb 20th, 2017

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Researchers pinpoint watery past on Mars

Researchers have discovered a patch of land in an ancient valley on Mars that appears to have been flooded by water in the not-too-distant past. In doing so, they have pinpointed a prime target to begin searching for past life forms on the Red Planet.

Feb 15th, 2017

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Self-made stars

Astronomers observe black hole producing cold, star-making fuel from hot plasma jets and bubbles.

Feb 14th, 2017

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A bridge of stars connects two dwarf galaxies

The Magellanic Clouds, the two largest satellite galaxies of the Milky Way, appear to be connected by a bridge stretching across 43,000 light years, according to an international team of astronomers.

Feb 9th, 2017

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A black hole feeding frenzy that breaks records

A giant black hole ripped apart a nearby star and then continued to feed off its remains for close to a decade, according to new research. This black hole meal is more than 10 times longer than any other previous episode of a star's death.

Feb 7th, 2017

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Tail of stray black hole hiding in the Milky Way

By analyzing the gas motion of an extraordinarily fast-moving cosmic cloud in a corner of the Milky Way, astronomers found hints of a wandering black hole hidden in the cloud. This result marks the beginning of the search for quiet black holes; millions of such objects are expected to be floating in the Milky Way although only dozens have been found to date.

Feb 2nd, 2017

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Tracing the cosmic web with star-forming galaxies in the distant universe

A research group has revealed a picture of the increasing fraction of massive star-forming galaxies in the distant universe. Massive star-forming galaxies in the distant universe, about 5 billion years ago, trace large-scale structure in the universe. In the nearby universe, about 3 billion years ago, massive star-forming galaxies are not apparent.

Jan 31st, 2017

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Galaxy murder mystery

It's the big astrophysical whodunnit. Across the Universe, galaxies are being killed and the question scientists want answered is, what's killing them?

Jan 17th, 2017

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