American Coots are diving birds that often disappear under the water looking for plants to eat. I have always been fascinated by ripples in the water. As a child, I loved to throw pebbles in puddles ...

NASA's Curiosity rover has recently discovered rippled rock textures that suggest lakes existed in a region of ancient Mars that scientists had expected to be drier. Rock layers at the ...

NASA’s Curiosity rover recently spotted some of the most compelling evidence yet of ancient water on Mars, in the form of rippled rocks shaped by waves. The ripples formed billions of years ago, when ...

Winter is coming to an end; the last nights of below zero temperatures are here. In the morning, one still spots the occasional icicle on a gutter or car bumper. When you look at these icicles ...

Experimental physicists growing icicles are closer to understanding why some form with ripples up and down their outsides, while others form with smooth, slick, even surfaces. By growing icicles from ...

NASA’s Curiosity rover has recently discovered rippled rock textures that suggest lakes existed in a region of ancient Mars that scientists had expected to be drier. Rock layers at the ...