On April 8, 2024, a total solar eclipse will be visible to over 30 million people across North America. To help kids learn about solar eclipses, NASA is launching Snap It! An Eclipse Photo Adventure.

Most people learned in school that Mercury is just a small, scorched planet close to the Sun. But NASA’s MESSENGER mission ...

The highly advanced solar sail boom could one day allow spacecraft to travel without bulky rocket fuel. By Andrew Paul Published Apr 24, 2024 11:53 AM EDT Get the Popular Science daily newsletter💡 ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...