Recurring martian streaks: flowing sand, not water?

Dark features on Mars previously considered evidence for subsurface flowing of water are interpreted by new research as granular flows, where grains of sand and dust slip downhill to make dark streaks, rather than the ground ...

Test for damp ground at Mars streaks finds none

Seasonal dark streaks on Mars that have become one of the hottest topics in interplanetary research don't hold much water, according to the latest findings from a NASA spacecraft orbiting Mars.

The self-catering houseboat

A life away from traffic noise and exhaust fumes – more and more people are drawn to water. Energy self-sufficient floating homes not only fulfill the criterion for this new lifestyle, they can also boost economy. Medium-sized ...