Picture a primordial Earth: a world of muted browns, grays and greens. Fast forward to today, and Earth teems with a kaleidoscope of colors. From the stunning feathers of male peacocks to the vivid ...

Friendships evolve throughout our lives, offering unique benefits and challenges at every stage. While friendships may come more easily in our 20s, the major life transitions that begin in ...

Recent research showed that an artificially constructed self-replicating RNA system modeling primitive life at the origin of ...

Evolution is often depicted as a steady march toward increasingly better beings, but this common narrative overlooks the litany of evolutionary quirks throughout the plant and animal kingdoms. A new ...

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth. The model, which ...

New research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. By chemically analyzing crystals in ...

Earth’s earliest microbes may have built vital chemistry around molybdenum, a metal thought too scarce to matter in ancient oceans. By tracing genes across life, researchers now argue those organisms ...