Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

The evolution of planet Earth and the emergence of life during its first half-billion years are inextricably linked, with a series of planetwide transformations—formation of the ocean, evolution of ...

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress in advancing the understanding of the formation and evolution of the inner ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

Bacteria are the most diverse organisms on Earth, with a number of species that’s difficult to quantify. They’re also incredibly old. Bacteria consist of a single cell. They do not have bones and are ...