A team of US researchers has found new evidence that early Mars was saturated with water and that its atmosphere was considerably thicker, at least 20 times more dense, than it is today. This bomb sag on the surface of Mars was created during a volcanic blast approximately 3.5 billion years ago. The researchers have replicated the sag in a lab while studying the possibility of water and atmospheric conditions of early Mars (NASA / JPL) To learn more...
