Science & Nature

A volcano forms when magma from beneath the Earth’s crust rises through weaknesses or fractures and erupts on the surface....

Carbon dioxide (CO2) is the primary greenhouse gas responsible for global warming, emitted mainly from burning fossil fuels like coal,...

Biodiversity refers to the variety of all living organisms in an ecosystem, including genetic, species, and ecosystem diversity. It is...

Gravity is the force that attracts two masses toward each other. Isaac Newton formulated the universal law of gravitation in...

The blue whale is the largest living mammal, reaching lengths of up to 30 meters (98 feet) and weights of...

A black hole is a region in space with gravity so strong that nothing, not even light, can escape from...

Seasons are caused by the tilt of Earth’s axis (about 23.5 degrees) relative to its orbit around the Sun. This...

An ecosystem is a community of living organisms interacting with each other and their physical environment. It includes plants, animals,...

The water cycle describes the continuous movement of water on, above, and below the Earth’s surface through evaporation, condensation, precipitation,...

Mammals are warm-blooded vertebrates that usually have hair or fur, give birth to live young (except monotremes), and produce milk...