New options for testing and treating some of the most common sexually transmitted diseases are becoming available.

Americans can now order a second set of free at-home Covid-19 rapid antigen tests from the federal government. Covidtests.gov, the website to sign up for the free tests, launched in January, when ...

Do you think you've got decent science knowledge? It's time to put your gray matter to the test with our weekly, free science crossword puzzle. We've spent hours carefully writing our puzzles to make ...