Harvard University researcher Kseniia Petrova is facing a pair of additional charges two weeks after a judge released her from Immigration and Customs Enforcement (ICE) detention. In a court filing ...

A Harvard Medical School scientist from Russia who had been detained since February for bringing frog embryos into the country for research purposes was released Thursday after prosecutors withdrew ...

Officer improperly canceled visa of Harvard scholar charged with frog embryo smuggling, judge rules “The undisputed facts reveal that Ms. Petrova’s visa was impermissibly canceled because of the frog ...

A Russian-born researcher at Harvard University accused of smuggling frog embryos into the United States faced new criminal charges as she was indicted by a federal grand jury in Boston on Wednesday.

Image of the skin of a frog embryo, with cilia (in magenta and cyan) and the outline of cells (in grey) highlighted. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

Harvard University researcher Kseniia Petrova, 30, departs the John Joseph Moakley United States Courthouse after being released on bail from federal custody in June 2025, in Boston. (AP Photo/Leah ...