A steady stream of teen vaping emergencies reveals deeper risks. Young people and parents need to know the unique risks to users under 25 and why prevention is so important now.

Here’s how we bring you the latest vote totals and estimates of the outcome on political races around the country.

The Vera C Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids, which will from now on be discovered at an astonishing rate as it begins ...