Scientists have spent decades debating whether asteroids and comets hit the Earth at regular intervals. At the same time, a few studies have found evidence that the large extinction events on Earth – such as the one that ...
Space Exploration
Jun 22, 2017
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73
The Perseid meteor shower—an annual display of natural fireworks—should be particularly spectacular this year, with extra-dark skies expected to create optimal stargazing conditions, astronomers said Friday.
Space Exploration
Aug 8, 2015
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6272
Satellite dwarf galaxies at the edges of the Milky Way and neighboring Andromeda defy the accepted model of galaxy formation, and recent attempts to pigeon-hole them into the model are flawed, an international team of scientists ...
Astronomy
Jun 11, 2014
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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 ...
Astronomy
Feb 20, 2017
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When it comes to exploring exoplanets, it may be wise to take a snorkel along. A new study, published in a paper in the journal Monthly Notices of the Royal Astronomical Society, has used a statistical model to predict that ...
Astronomy
Apr 20, 2017
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573
Planet Earth could be at higher risk of a space rock impact than widely thought, according to astronomers who suggested Tuesday keeping a closer eye on distant giant comets.
Space Exploration
Dec 22, 2015
29
321
(Phys.org) —British cosmologists are puzzled: they predict that the Universe should not have lasted for more than a second. This startling conclusion is the result of combining the latest observations of the sky with the ...
General Physics
Jun 24, 2014
21
1
The Australian National University (ANU) is part of an international team of astronomers that found one of the Universe's biggest superclusters of galaxies near the Milky Way.
Astronomy
Dec 21, 2016
16
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Thanks to data collected by NASA's Chandra X-ray telescope on galaxies up to 3.5 billion light years away from Earth, an international team of astrophysicists has detected what are likely to be the most massive black holes ...
Astronomy
Feb 20, 2018
4
290
The discovery of young stars in old star clusters could send scientists back to the drawing board for one of the Universe's most common objects.
Astronomy
Mar 6, 2017
15
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