Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

Ancient lead pollution in the Aegean Sea may have started 5,200 years ago — 1,200 years earlier than previously thought.

Researchers have found the oldest known evidence of lead pollution dating to around 5,200 years ago in ancient Greece ...

A new analysis of samples from the asteroid Bennu, NASA’s first asteroid sample captured in space and delivered to Earth, reveals that evaporated water left a briny broth where salts and minerals ...

Rising mountain peaks and sharp rock formations cover the ocean floor, with corals, sponges, fish, and tons of sea creatures ...