(PhysOrg.com) -- An international team of astronomers has identified two new tidal streams in the Andromeda galaxy, the remnants of dwarf galaxies consumed by our large galactic neighbor. Analysis of the stars in Andromeda's ...
Astronomy
Jan 7, 2010
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The deadly fungal disease known as white-nose syndrome has spread to bat colonies throughout eastern North America over the past seven years, causing bat populations to crash, with several species now at risk of extinction. ...
Plants & Animals
Dec 2, 2014
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An intermediate-mass black hole lurking undetected in a dwarf galaxy revealed itself to astronomers when it gobbled up an unlucky star that strayed too close. The shredding of the star, known as a "tidal disruption event" ...
Astronomy
Nov 10, 2022
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Throughout Earth's long geologic history, the magnetic pole has not remained stable.
Earth Sciences
Dec 11, 2018
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Super Planet Crash is a pretty simple game: players build their own planetary system, putting planets into orbit around a star and racking up points until they add a planet that destabilizes the whole system. Beneath the ...
Astronomy
Apr 8, 2014
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University of California, Santa Cruz Professor of Planetary Sciences Francis Nimmo recently co-authored a Science Advances paper about the internal structure of the dwarf planet Eris.
Planetary Sciences
Nov 30, 2023
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A team of seismologists has developed a new measurement of seismic energy release that can be applied to large earthquakes. Called the Radiated Energy Enhancement Factor (REEF), it provides a measure of earthquake rupture ...
Earth Sciences
Mar 21, 2018
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An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
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At the end of the last ice age, a population of polar bears was stranded by the receding ice on a few islands in southeastern Alaska. Male brown bears swam across to the islands from the Alaskan mainland and mated with female ...
Biotechnology
Mar 14, 2013
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A novel printing method yields photos that respond to different angles of light the same way a three-dimensional object does. The technique, which uses specially designed "reflectance paper" covered with thousands of tiny ...
Computer Sciences
Aug 14, 2012
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