The Trump administration has shrunk the number of locations for this year's field test of the 2030 census and has added plans to test replacing temporary census workers with U.S. Postal Service staff.

Swedish researchers have created a questionnaire test for home use that quickly identifies high risk of heart attack. A study shows that it has the same level of accuracy as blood tests and blood ...

The new citizenship test that immigrants need to pass to become U.S. citizens through naturalization is harder and longer than the previous exam, but applicants have free educational tools available ...