Katina Tibbetts is determined to hold all her students to high standards. But she also knows that different kids need different kinds of help to get there. Tibbetts, who teaches 1st, 3rd, and 5th ...

When NASA launched the Pioneer probes, they were met with an intriguing mystery. At around 20 astronomical units, both ...

You see this all the time in textbooks: This is often described as "the acceleration due to gravity". Is this really the best thing to call this? No. A better name would be "the local gravitational ...

The National Highway Traffic Safety Administration (NHTSA) has reopened an investigation into alleged unintended acceleration on Tesla vehicles following a petition received by the Office of Defects ...

Most students will return to in-person schooling this fall, and teachers around the country are feeling the pressure to get their classes back on track. In many places, a model known as acceleration ...