Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...

15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal. DISCLAIMER: This site and the products offered are for ...

Allegiant will acquire Sun Country in a cash-and-stock deal valued at about $1.5 billion, creating one of the largest leisure-focused airlines in the U.S. The combined airline promises more routes, ...

2025 was the third hottest year on record, but thousands of cities saw record heat and one broke a record for cold. By Harry Stevens and Eric Niiler Last year was Earth’s third hottest globally, but ...

Your baby is born with some protection from illness because they get special proteins from their mother called antibodies before they're born. But it's temporary, and the antibodies slowly fade away.