Learn the key differences between lunar and solar eclipses, including how long they last, how often they occur and why lunar eclipses can be seen by more people at one time.

Astronauts on the International Space Station had an eerie view during the total solar eclipse on Monday as the Moon's shadow raced across the planet's surface. Waiting for totality on Earth took more ...

Students review the stick's shadow pattern. Students are asked to use a model to figure out where the Sun was in the sky to create the shadow pattern they observed. ----- Transcript: In the ...