Earth’s story may have hardened into place almost as soon as the Solar System began. That is the striking claim in new ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

A massive meteorite strike 3.5 billion years ago left behind the world’s oldest known impact crater, challenging previous ...

Wednesday is Earth Day, a global day of support that raises awareness about the environment. Kathleen Rogers is the CEO of ...

Evolution and geologic history reveal how life and Earth have changed over time. The National Academies explore fossil records, genetic evidence, and natural processes that shape our planet.

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

To better understand the circadian clock in modern-day cyanobacteria, a research team has studied ancient timekeeping systems. They examined the oscillation of the clock proteins KaiA, KaiB, and KaiC ...

As a kid, it was tough for me to grasp the massive time scale of Earth’s history. Now, with nearly two decades of experience as a geologist, I think one of the best ways to understand our planet’s ...

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 ...