Oxygen, nitrogen, and what happens when biology gets involved How the Great Oxidation Event and photosynthesis created the nitrogen cycle we know today

When studying Earth’s past, researchers want to understand how nutrients like nitrogen cycled and the impact biology had on them. Scientists rely on ancient rock, soil, fossils, and marine sediment to understand the world that used to be.  Approximately 2.5 READ MORE

Can life hiding near Yellowstone National Park’s hot springs tell us about the ancient Earth? Sunlight-driven life hiding under layers of silica near Yellowstone’s hot springs may hold clues for what Earth was like billions of years ago

Yellowstone National Park is famous for its hot springs, geysers, wildlife, and incredible geology. While the area is popular among visitors every year, scientists are also excited about the hot springs at this site as they create unique habitats for READ MORE