Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

Ocean temperatures well below freezing in Earth’s deep-past glacial phases imply some very salty waters. At the height of a ...

From Cadillac Mountain to the billion-year-old Chain of Lakes Massif, Maine marks Old Rocks Day, exploring the state’s oldest ...

Australia's Finke River, an ephemeral waterway in the Northern Territory, is considered one of the world's oldest, with a ...

According to observations of young ridges see on the far side, Earth's moon is not geologically dead, as previously believed.

One of the standout findings from the Paleogene record is that rainfall patterns shifted dramatically during periods of ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

South Africa’s Witwatersrand Basin and the Virginia Gas Project supply a rare element vital for MRI scanners; estimates ...

​​Rivers may seem as old as the hills, but they have life cycles just like other natural features do. Many grow and make ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

Sports, travel, food and history. Arizona is a special state. Be a tourist in your town and explore these 7 uniquely Arizona ...