Life is only known to exist on Earth but extraterrestrial life is thought probable. Artificial life is being simulated and explored by scientists and engineers.

The meaning of LIFE is the quality that distinguishes a vital and functional being from a dead body. How to use life in a sentence.

Jun 14, 2025 · Life-forms present on Earth today have evolved from ancient common ancestors through the generation of hereditary variation and natural selection.

LIFE definition: 1. the period between birth and death, or the experience or state of being alive: 2. for the whole…. Learn more.

A difficult term to define, life can be considered the characteristic state of living organisms and individual cells, or that quality or property that distinguishes living organisms from dead …

May 30, 2025 · NASA studies life on Earth from above, tracking ecosystems and observing changes in the diversity of plants and animals. Building knowledge of our planet’s living …

Life is a concept in biology. It is about what separates a living thing from dead matter. Most life on Earth is powered by solar energy: the only known exceptions are the chemo-synthetic bacteria …

All living things reproduce, copying their genetic material and passing it on to their offspring. Thus, the ability to copy the molecules that encode genetic information is a key step in the origin of …

Life is the quality which people, animals, and plants have when they are not dead, and which objects and substances do not have.

Jul 19, 2023 · In the simplest terms, it refers to the state of being alive and living, distinguishing organisms from inanimate objects. Yet, the term also encompasses a much broader spectrum, …