Boeing's safety experts have joined others in the industry to form an international task force to try to eliminate one particular kind of air crash known as controlled flight into terrain, CFIT.

Boston Dynamic's robot, RHex, is an amazing piece of work that can run over various terrains.

He wrote the article "Robotic Mining and Minerals on Martian Terrain."

When warm, light, air crosses mountains it rises into the upper atmosphere and does not fall back to the ground. In this, and other, ways wind changes with the terrain.

The terrain is mountainous.

The rough terrain checked the progress of the hikers.

When one announces "My my Tacubaya, if you don't know there don't go there", what this person actually refers to is the absence of governmental paternalism, and in certain areas of the capital, compels others to not attend those places they are unfamiliar with, where they are unaware of the terrain.

The PRC's six-wheeled Zhurong robot rover touched down on the dunes of southern Utopia Planitia, a vast terrain in Mars's northern hemisphere. Zhurong is a name of an ancient fire god.

We had to drive on narrow roads through hilly terrain.

This latest discovery suggests that some pockets of the Martian terrain may be habitable and could contain some form of microbial life that escaped from the planet's freezing surface to the waters beneath.