Exercise can reverse damage to sedentary, aging hearts and help prevent risk of future heart failure -- if it's enough exercise, and if it's begun in time, according to a new study by cardiologists.

Democrats and Republicans both think it is important that the U.S. is a world leader in science, but most Democrats now think it is losing ground compared with other countries. Fresh data delivered ...

NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET, with hosts ...

We evaluated close to 90 small business loan products to find the best financing options. Our top picks offer transparency, flexibility and borrower-friendly features. NerdWallet's content is ...

Federal officials say a company that operates hundreds of landing pages for AI answers is running an operation that has duped ...