A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...
In a new study, terrestrial bacteria-infecting viruses were still able to infect their E. coli hosts in near-weightless ...
Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...
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