Some 11 percent of the cell culture-based projects housed in the NCBI Sequence Read Archive appear to be contaminated with mycoplasma, Anthony Olarerin-George and John Hogenesch from the University of Pennsylvania report.

Mycoplasma is often introduced accidentally into cell cultures by lab workers, and it cannot be killed by the antibiotics typically used to treat such cultures.

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A new analysis indicates that the Ebola virus behind the current West African outbreak is mutating at about the same rate as other Ebola viruses.

With the launch of Scott Kelly into space today, the study of him and his earthbound brother to disentangle the effects of life in space from the effects of genetics kicks off.

In Science this week: self-assembly of DNA components in solution, and more.

Genetics and Molecular Research retracts two gastric cancer papers for being "substantially equal" to other papers, according to Retraction Watch.