NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its high-definition camera. It reveals a dark region of moving sand dunes. When you ...

Laying pipe on the seafloor can pose a number of challenges, especially if the water is deep. There are three main ways that subsea pipe is laid -- S-lay, J-lay and tow-in -- and the pipelay vessel is ...