The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Sedimentary rocks like sandstones form when preexisting rocks break down into bits that pile up and stick together to form a new rock. Pressure helps this process along, but it’s not enough on ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

Discover how crevice gardens can pep up a sun filled or shady yard, boost your planting opportunities and make a nature ...

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Andy Weir’s bestselling story “The Martian” predicts that by 2035 NASA will have landed humans on Mars three times, perfected ...

By studying sedimentary layers — rock formations stacked like layers of a cake — planetary ... The planet's exposed surface ...

Curiosity NavigationCuriosity HomeMission OverviewWhere is Curiosity?Mission Updates ...

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Several key moments in Earth's history help us humans answer the question, "How did we get here?" These moments also shed light on the question ...

Rivers have long played a key role in the planet’s carbon cycle. They move and release gases like carbon dioxide (CO₂) and ...