A customs official at Boston’s Logan International Airport detained Petrova on Feb. 16 and subsequently revoked her J-1 visa.

A judge in Massachusetts has ordered Harvard researcher Kseniia Petrova released from custody as she faces charges related to ...

Kseniia Petrova, a scientist and Harvard University researcher from Russia, was detained by immigration authorities and held ...

Harvard researcher Kseniia Petrova, a Russian citizen, had been detained since February after Customs and Border Protection ...

Kseniia Petrova, a Harvard researcher, still faces criminal charges for failing to declare scientific samples she was ...

Federal judge releases Kseniia Petrova, a Russian-born cancer researcher accused of smuggling frog embryo samples, while ...

Harvard Medical School scientist Kseniia Petrova was released on bail Thursday after spending four months in ICE detention.

A federal judge ordered that Kseniia Petrova — a Harvard Medical School researcher who was detained by Immigrations and ...

The abrupt pivot on an issue at the heart of Mr. Trump’s presidency suggested his broad immigration crackdown was hurting ...

A judge released a Russian-born scientist and Harvard University researcher charged with smuggling frog embryos into the U.S.

Kseniia Petrova, a Russian scientist at Harvard University’s Medical School who was detained after being accused of smuggling ...

Kseniia Petrova, 31, was detained at Logan International Airport on Feb. 16 for failing to dclare frog embryos that she was ...