Stephen Hawking
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Tornadoes: anatomy of a twister
Twisters are much more than sporadic objects of terror for thousands of people a year. Take a look at types, and causes, and life cycle of this terrifying weather phenomenon.
Extraterrestrial life is defined as life that does not originate from Earth
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The Big Bang theory is the prevailing cosmological model that explains the early development of the Universe. According to the Big Bang theory, the Universe...
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Quantum mechanics, also known as quantum physics or quantum theory, is a branch of physics providing a mathematical description of much of the dual particle-like...
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Charles Robert Darwin FRS was an English naturalist. He established that all species of life have descended over time from common ancestry, and proposed...
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Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is...
A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently...
Evolutionary psychology is an approach in the social and natural sciences that examines psychological traits such as memory, perception, and language from a modern...
In astronomy and cosmology, dark matter is matter that neither emits nor scatters light or other electromagnetic radiation, and so cannot be directly detected via...
The ultimate fate of the universe is a topic in physical cosmology. Many possible fates are predicted by rival scientific theories, including futures of both...
The theory of relativity, or simply relativity, encompasses two theories of Albert Einstein: special relativity and general relativity. However, the word relativity is sometimes...