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An analysis of carbonaceous meteorites by NASA scientists and their colleagues found that those meteorites contain some nucleobases and nucleobase analogs. As they report in PNAS, they analyzed 12 meteorites by liquid chromatography-mass spectrometry to ascertain whether nucleobases and nucleobase analogs were present and, if so, at what abundance.

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Science reports that a new White House Office of Management and Budget memo rescinds previous ones that helped research institutions deal with pandemic-related closures.

Researchers report on a concerning strain of the H1N1 swine flu virus found among pigs in China, Agence France Presse reports.

The Associated Press reports that US officials are considering allowing pooled COVID-19 testing.

In Genome Research this week: Y chromosome gene expression analysis, de novo mutations rise with paternal age in rhesus macaques, and more.