When is the next leap year? Here are some fascinating leap year facts, along with all the details about why leap day always falls on Feb. 29.

See the stars captured by Europa Clipper's star trackers, NASA's spacecraft currently on its way to Jupiter's icy moon.

Read and watch stories from teachers, students and the school community as they share their experiences transitioning into a New Year of Learning. Learn about how your child can access Free Kinder, ...