Most scientists agree that the impact of an asteroid hitting Earth played a major role in the extinction of dinosaurs but now there's a brand new theory about how exactly that happened.
An alternative mental health court program designed to fast-track people with untreated schizophrenia and other psychotic disorders into housing and medical care — potentially without their consent — kicked off in seven California counties, including San Francisco, on Monday.
U.S. health officials plan to endorse a common antibiotic as a morning-after pill that gay and bisexual men can use to try to avoid some increasingly common sexually transmitted diseases.