A Harvard University researcher accused of smuggling clawed frog embryos into the United States is facing additional charges.

A judge released a Russian-born scientist and Harvard University researcher charged with smuggling frog embryos into the United States on bail Thursday. Kseniia Petrova, 30, has been in federal ...

A new study reveals that urban Túngara frog tadpoles develop faster —but end up being smaller — than tadpoles from forests, probably resulting in smaller adults.

A Harvard University Medical School researcher could end up in prison for decades after being indicted on charges related to allegedly attempting to sneak frozen frog embryos into the United States.

Harvard scientist accused of frog embryo smuggling faces new charges by: Lexi Lonas Cochran, The Hill Posted: Jun 26, 2025 / 11:20 AM CDT Updated: Jun 26, 2025 / 11:20 AM CDT ...

Harvard University researcher Kseniia Petrova appeared in Massachusetts federal court on Wednesday for a probable cause hearing after being charged with smuggling frog embryos into the United States.

Petrova was born in Russia and has worked at Harvard Medical School’s Kirschner Lab since 2023, researching ways to more quickly diagnose and detect cancer. She was detained at Logan International ...

Federal judge releases Kseniia Petrova, a Russian-born cancer researcher accused of smuggling frog embryo samples, while limiting her travel and maintaining custody of her passport.

Kseniia Petrova was indicted on charges of smuggling, concealment and making a false statement after flying to the U.S. with ...

Under President Donald Trump’s proposed budget for Fiscal Year 2026, Agricultural Research Service units on campus would be closed and consolidated with facilities in Peoria, Columbia, Mo., and ...

Database on Refinement of Housing, Husbandry, Care, and Use of Animals in ResearchThis database, created in 2000, is updated every four months with newly published scientific articles, books, and ...