News
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Uncommon cancer gets start in muscle cells
Synovial sarcoma, a cancer thought to arise from joint tissue, actually forms in nascent muscle cells, a mouse study shows.
By Nathan Seppa -
AnimalsKiller mice hit seabird chicks
A surveillance video shows a worrisome sight: house mice nibbling to death rare seabird chicks on a remote island breeding colony.
By Susan Milius -
Planetary ScienceA hexagon on the ringed planet
NASA scientists are puzzled by a giant, hexagon-shaped feature that covers Saturn's entire north pole.
By Ron Cowen -
AstronomyBack to (Near) the Beginning: Galactic springtime
In their quest to capture ever-earlier moments of cosmic history, astronomers may have found some of the first galaxies.