Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for big bergs, new satellite images show.

The radar images showed thick layers of material ... proposed a theory to explain how today's uneven shoreline could have been created by an ocean. Based on computer modeling, they argued that ...

An ocean of liquid water on the Martian surface ... For decades, scientists have used satellite images to trace Martian surface features resembling a shoreline. But any such evidence on the surface ...

Mars may have once hosted an ocean with waves that lapped ... with rocks to create minerals. Viking’s images showcased what appeared to be a shoreline in the northern hemisphere.

Credit: Victor Habbick Visions / Science Photo Library / Getty Images illustration Scientists ... lay bare what seems to be an ancient shoreline for an ocean that would have covered about one ...

The blue areas show the depth of the ocean filled to the shoreline level of the ancient ... Along the entire route, the GPR images showed layers of a thick material, which had the consistency of sand, ...

An ocean of liquid water on the ... For decades, scientists have used satellite images to trace Martian surface features resembling a shoreline. But any such evidence on the surface could have ...