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Recent analyses of Martian soil have found significant amounts of water.
Could Mars have been a better starting point for the origins of life on Earth?
Planetary scientists and future explorers are trying to learn about our neighboring planet without ever leaving Earth.
Microbes may once have thrived in a freshwater lake on Mars, according to clues in an ancient rock.
What's it like to live -- and cook -- on Mars? To find out, researchers are simulating Mars missions in Russia and on the slopes of a Hawaiian volcano.
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the...
Could a stash of ancient bones be the work of a giant cephalopod?
In less than a second, cephalopods can change the color, pattern and shape of th...
Biologist Sarah Zylinski studies how cuttlefish see the world by looking at thei...
\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.