How many questions are on the SAT? Learn the updated format, question count by section, timing, and tips for the digital SAT.

By extending the scope of a key insight behind Fermat’s Last Theorem, four mathematicians have made great strides toward ...

Paleontologists identified a new ancient reptile appendage. And, how fast did dinosaurs run? A longstanding equation for dino ...

Elementary students are excited to solve problems and become the hero in someone else’s story. As teachers, we can offer this ...