There are currently about fifty known exoplanets with diameters that range from Mars-sized to several times the Earth's and that also reside within their stars' habitable zone – the orbital range within which their surface ...
Astronomy
Oct 23, 2017
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Alaska Airlines said Monday it will charter a flight over the Pacific Ocean this Aug. 21 so select passengers can view the astronomical event from the sky.
Space Exploration
Jun 26, 2017
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44
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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Ice cores and ancient sediments can be gleaned for clues to weather and climate in the past. But astronomical phenomena—such as solar flares or auroras—at best leave only faint environmental traces lacking in specificity. ...
Space Exploration
Apr 5, 2017
0
74
In 1908 it was Tunguska event, a meteorite exploded in mid-air, flattening 770 square miles of forest. 39 years later in 1947, 70 tons of iron meteorites pummeled the Sikhote-Alin Mountains, leaving more than 30 craters. ...
Space Exploration
Dec 9, 2016
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14
Mass extinctions occurring over the past 260 million years were likely caused by comet and asteroid showers, scientists conclude in a new study published in Monthly Notices of the Royal Astronomical Society.
Earth Sciences
Oct 20, 2015
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1167
Research by New York University Biology Professor Michael Rampino concludes that Earth's infrequent but predictable path around and through our Galaxy's disc may have a direct and significant effect on geological and biological ...
Astronomy
Feb 19, 2015
35
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(Phys.org)—A team of physicists affiliated with institutions in Australia, Switzerland and Austria has made the most accurate measurement to date of the half life of iron-60. In their paper published in the journal Physical ...
The new movie "Interstellar" explores a longstanding fascination, but UA astrophysicists are using cutting-edge technology to go one better. They're working on how to take pictures of the black hole at the center of the galaxy.
Astronomy
Nov 6, 2014
6
0
The movement of the Sun in the skies of Petra determined the way in which the monuments of this and other Natabean cities were erected. This is according to a statistical analysis on the spatial position of their palaces, ...
Archaeology
Mar 6, 2014
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