A new study does the difficult task of trying to piece together the history of the world’s largest subduction zone.

Floating in the middle of the Paleo-Pacific Ocean, you are at the mercy of the currents. There are no rocks for miles: up, down, or sideways.

In doing so, the method defines the scope of what scientists refer to as the northern Martian paleo-ocean in more detail. The work was published in July in the journal Icarus, which is affiliated ...

It is proposed that the paleo-ocean area in the northern lowlands (Multimedia Material 1) formed a special marine sedimentary geological unit, called the Vasitas Borealis Formation (VBF), but ...

High up in the Himalayas, scientists have discovered droplets of water trapped in mineral deposits that were likely left behind from an ancient ocean which existed around 600 million years ago.