Four Chinese nationals have been charged with visa fraud after revelations that they sent information on the layout of US labs and research carried out by colleagues back to China.

Some in-person instruction will be required to maintain a student visa, and universities must tell the US government of their plans to open by July 15.

The executive order introduces new measures to curb international competition for US jobs, including highly skilled positions in research and academia.

The closure of visa offices, travel and immigration restrictions, and general anxiety create barriers for the international graduate students and postdocs who play a huge role in research in the United States.

The case of a lieutenant in the Chinese army who studied physics at Boston University points to broader vulnerabilities in US academia, The Wall Street Journal reports.

Despite having valid visas to attend universities, more than a dozen would-be graduate students have been detained at the airport and sent back to Iran in recent months.

The fast-track Global Talent visa will have no cap on the number of researchers able to come to the UK.

Prime Minister Boris Johnson says the immigration program will help the nation remain a science superpower post-Brexit.

Individual researchers and science societies are finding solutions so colleagues around the globe can attend conferences, from remote presentations to relocating conferences.

The latest rejections of visa requests have scientists up in arms.

The list of imports subject to additional taxes include products used in research, but the effect of the trade dispute is still unclear.

The proposed limitations stem from fears of intellectual property theft.

The cancer scientist and his family have been sent home, and an official claims that his detention was not triggered by the Trump travel ban.

A bill that would increase visas for foreign-born, US-trained science and engineering graduates passes in the House, but is unlikely to get through Senate.

Proposed legislation that sought to offer green cards to foreign STEM students excluded those in biology.

Legislation aimed at retaining foreign students who earn advanced science and engineering degrees in the United States is rejected by Congress.

Indian researchers argue that applying for new visas every year is an insult to international scientists.