Turbocharging and supercharging are some of the greatest automotive technological innovations ever. These forms of forced induction enable an engine to produce more power than its displacement ...

People with asymptomatic or mild COVID illness generally test negative after nine days, but a polymerase chain reaction (PCR) ...

Here’s what to know about the latest COVID strain — and how to tell if your at-home test is still good to use.

Starting Monday, American households can now apply to receive four free at-home COVID-19 tests from the U.S. government, though they might appear to be expired. Once again, the U.S. government is ...