Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

Abiotic chemistry in Earth’s atmosphere could have generated biologically important organosulfur molecules as life was ...

Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

According to a new study the early Earth’s ancient sky may have played a much larger, proactive role in generating the chemical ingredients for life than scientists once believed.The study ...

Earth’s earliest atmosphere may have done more than shield the planet from the Sun. New research suggests the sky itself helped supply early life with key sulfur-based molecules, long thought to ...

For decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new ...

Scientists are uncovering signs that Earth has been hit by powerful cosmic blasts that leave little trace on the surface yet ...

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping ...

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from the Max Planck Institute suggest that doomed planet was likely a rowdy ...

New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. The key to unlocking ...

MIT researchers traced chemical fossils in ancient rocks back to the ancestors of today’s demosponges. A team of geochemists ...