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

For most of human history, the story of cosmic catastrophe has been told in craters: scars like Chicxulub that mark where ...

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 ...

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

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

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 ...

A team of international researchers say they've uncovered new data on the world's first recorded solar eclipse using a ...

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

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