What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.

Brr! But in sunlight near Earth, temperatures can swing to a boiling 250 degrees Fahrenheit. That's why astronauts wear reflective white spacesuits. Unimpeded, light can move at 299,792,458 meters ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection introduces the Sun as the main source of light and heat on Earth. It explains that the Earth ...

Rainforests in these regions cover just 2% of Earth's total surface area and yet house half of the world's plant and animal species. Deforestation is the clearing of forests. Most deforestation ...

Did you know that 2 billion people celebrate the Lunar New Year, and that hippopotamuses can't swim at all? Learn more with our fun facts of the day!