Our galaxy, the Milky Way, is a vast, swirling collection of stars, dust, and gas. It has a supermassive black hole at its center!

T-Rex was one of the largest meat-eating dinosaurs that ever lived. It had powerful jaws with 60 bone-crunching teeth!

Built over 4,500 years ago, the pyramids were grand tombs for the pharaohs of Egypt. The Great Pyramid is the largest of them all.

Volcanoes are like Earth's safety valves. They erupt when molten rock, called magma, rises to the surface.

Coral reefs are vibrant underwater cities, teeming with life. They are built by tiny animals called coral polyps.