Deep within the Earth, magma is constantly in motion. It's this liquid rock. Under pressure, it is always seeking an exit and often ends up...
The different colors of Yellowstone's hot springs largely come from microbial pigments. Bacteria and algae, known as thermophiles, love the heat and thrive by producing...
Sirius, also known as the Dog Star, is the brightest star in the night sky. The ancient Egyptians saw it in the constellation of the...
A planet is a celestial body that orbits the Sun (or another star) and possesses enough mass to have an almost spherical shape due to...
The Moon always shows the same side to the Earth due to what is known as synchronous rotation. This means that the Moon takes exactly...
