On certain remote shores in northern Australia, the line between sea and land is not as firm as it looks. When the tide drains away, a small, mottled octopus hauls itself out of the shallows and ...
A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...
NASA’s Curiosity rover has photographed a knobbly Martian rock that looks strikingly like a piece of ocean coral, a reminder ...