Labor Day falls on Monday, Sept. 7, this year. Arriving on the later side in 2026, the observance delivers one last three-day weekend to celebrate summer before autumn unofficially gets underway.

The average pregnancy lasts about 40 weeks from conception to delivery. Female fertility is highest between the late teens and late 20s. About 10 to 20 in 100 known pregnancies end in miscarriage. A ...

A whale shark the size of a school bus swims slowly near the surface of the ocean. Its wide mouth is open, like an enormous net scooping up whatever happens to be around—mostly small fish, fish eggs, ...