A violent wind blown from the heart of a galaxy tells the tale of a merger
Researchers have succeeded in revealing the detailed structure of a massive ionized gas outflow streaming from the starburst galaxy NGC 6240.
Feb 4th, 2016
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Galactic center's gamma rays unlikely to originate from dark matter, evidence shows
Bursts of gamma rays from the center of our galaxy are not likely to be signals of dark matter but rather other astrophysical phenomena such as fast-rotating stars called millisecond pulsars, according to two new studies.
Feb 3rd, 2016
Read moreMoon was produced by a head-on collision between Earth and a forming planet
The moon was formed by a violent, head-on collision between the early Earth and a 'planetary embryo' called Theia approximately 100 million years after the Earth formed, geochemists and colleagues report.
Jan 29th, 2016
Read moreHubble 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.
Jan 29th, 2016
Read moreScientists discovered ways to clock the beginning of the Universe
A new paper points out and studies a generic type of signals existing in the primordial universe models, which can be used to model-independently distinguish the inflation scenario from alternatives.
Jan 26th, 2016
Read morePeering into the hottest cosmic hearth
Radio astronomers gaze deep into the heart of an active galaxy.
Jan 26th, 2016
Read moreGalaxy cluster environment not dictated by its mass alone
An international team of researchers has found for the first time that the connection between a galaxy cluster and surrounding dark matter is not characterized solely by the mass of clusters, but also by their formation history.
Jan 25th, 2016
Read moreTheorists 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.
Jan 25th, 2016
Read moreThe aliens are silent because they're dead
Life on other planets would probably go extinct soon after its origin, due to runaway heating or cooling on their fledgling planets.
Jan 21st, 2016
Read moreResearchers 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.
Jan 20th, 2016
Read moreVan Allen probes revolutionize view of radiation belts
NASA's Van Allen Probes revealed that the shape of the radiation belts is actually quite different depending on what type of electron you're looking at.
Jan 20th, 2016
Read moreWhat Is 10 miles across, but powers an explosion brighter than the Milky Way?
Right now, astronomers are viewing a ball of hot gas billions of light years away that is radiating the energy of hundreds of billions of suns. At its heart is an object a little larger than 10 miles across. And astronomers are not entirely sure what it is.
Jan 14th, 2016
Read moreThe habitability of other worlds
New methods allow precise measurements of the gravity of stars and the size of exoplanets.
Jan 14th, 2016
Read moreGreen 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.
Jan 14th, 2016
Read moreThe most energetic light ever observed from a few kilometers large star
Scientists working with the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) observatory have reported the discovery of the most energetic pulsed emission radiation ever detected from the neutron star in the center of the supernova of 1054 A.D., known as the Crab pulsar.
Jan 12th, 2016
Read moreBuilding 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.
Jan 8th, 2016
Read moreGalaxy 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.
Jan 8th, 2016
Read moreMost distant massive galaxy cluster identified
Formed in the first 4 billion years of the universe, cluster is 1,000 times more massive than the Milky Way.
Jan 8th, 2016
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